Model Travel Tax Deduction: When Flights, Hotels, and Per Diem Actually Reduce Your Tax Bill
Model Travel Tax Deduction: When Travel Is Actually Deductible Under IRC Section 162
The federal rule starts at Internal Revenue Code Section 162, which lets a taxpayer deduct ordinary and necessary expenses paid in carrying on a trade or business. Travel sits inside that bucket only when three things line up: the trip is away from your tax home, it is primarily for business, and the expenses are not lavish or extravagant.
Away from home means more than a long drive across town. The IRS uses an overnight-stay test. If your work duties require you to sleep or rest somewhere other than your tax home, the trip qualifies. Flying to Paris for a three-day editorial shoot and staying at the agency’s apartment in the Marais clearly counts. Taking a car service from Brooklyn to a studio in Tribeca and coming home the same night does not. That is local commuting and the IRS has been consistent since Treasury Regulation Section 1.162-2 that commuting is never deductible, no matter how expensive the cab ride.
The primarily-for-business piece is where models stumble. The IRS looks at the trip as a whole. If you fly to Tokyo for a single confirmed booking and then spend ten days hanging around hoping to get scouted, the trip can still qualify, but you need contemporaneous evidence that the work intent was real. Email threads with your mother agency, casting confirmations, test shoot bookings, and travel itineraries pulled at the time count. A post-trip story about how the time was professional does not.
Lavish and extravagant has no bright-line dollar threshold. The IRS applies a facts-and-circumstances test. A $900-a-night hotel for a campaign shoot in Manhattan during fashion week is reasonable. The same $900 hotel for a one-day test in a small market with cheaper alternatives raises questions. Spend at the level the job actually requires, document why, and the deduction holds.
One counterintuitive piece of the rule: if your trip is primarily personal but you do some work, you cannot deduct the flight, but you can deduct the lodging and meals for the days you actually worked. Most models flip that assumption and lose the deduction by trying to write off the whole vacation.
The Tax Home Test for Models With No Fixed Studio
Tax home is the IRS’s most-litigated travel concept, and for models it is genuinely complicated. The default rule from IRS Publication 463 says your tax home is the entire city or general area of your main place of business, regardless of where you maintain your family home. Most working models do not have one main place of business. The agency is in New York, the bookings are everywhere.
When a model has no regular or principal place of business, the IRS falls back on three tests. Where do you perform a substantial portion of your work? Where do you have your main residence? Where do you have meaningful social and family ties? Two of three usually settle it. A model who lives in a Manhattan apartment, signs with a New York agency, and books most of her direct-pay work through New York castings has a New York tax home, even if she spends six months a year traveling.
Itinerant status is the worst-case outcome. A model with no regular work location and no fixed home (couch surfing between agency apartments in five cities) is considered itinerant by the IRS. An itinerant taxpayer has no tax home and so can never be away from home, which means no travel deductions at all. This catches new models who give up their apartment when they sign with a London agency and then bounce between Paris, Milan, and Tokyo for a year without a lease anywhere.
The fix is straightforward. Keep a real lease somewhere. Pay rent. Receive mail there. Keep your driver’s license, voter registration, and bank accounts in that state. If you sublease while traveling, document it. The cost of maintaining the apartment is part of what supports the tax home claim, even though the rent itself is not a travel deduction.
We see this every year with models who moved to Europe in their early twenties, stayed five years, and never thought about US tax home. When they return and try to claim travel deductions for the European years on amended returns, the analysis gets ugly. Set up the tax home correctly while you are living it, not in retrospect.
What Actually Counts: Flights, Lodging, Ground Transport, Baggage
Deductible travel expenses are broader than most models realize. Publication 463 lists the full set: transportation between your home and the business destination, transportation at the destination, lodging, meals (subject to the 50 percent limit), and a long tail of incidentals.
Flights are deductible in full when the trip qualifies. Business class is fine. First class is fine. The lavish-and-extravagant rule does not have a coach-only requirement. Models who fly business because the next-day call time requires real sleep are deducting a legitimate business expense. Save the boarding pass or the carrier’s email confirmation showing the fare class and the dates.
Lodging includes the hotel, the model apartment fee the agency charges, and short-term rentals booked through the usual platforms. If the agency books a model apartment and deducts the fee from your payments, that fee is a travel expense even though no cash left your account directly. The 1099-NEC or year-end statement showing the deduction is the substantiation.
Ground transportation covers taxis, ride-shares, trains, rental cars, and tolls. Tipping is included. A daily MetroCard or local transit pass during a multi-day shoot in a foreign city is deductible. Mileage on your own car driven to an out-of-town airport qualifies at the standard mileage rate set annually by the IRS.
Baggage and shipping deserves a separate line. Models who travel with a full kit (heels, books, garment bag, hair tools) routinely pay overweight fees that run into the hundreds. Those fees are 100 percent deductible. Same with shipping a portfolio or a wardrobe trunk ahead to a location. The expense is part of getting yourself ready to work at the destination.
Laundry and dry cleaning while traveling is deductible. Phone calls and Wi-Fi access on the road are deductible. Tips to porters, housekeeping, and drivers are deductible if you tracked them. None of this is hypothetical: each line item shows up on the IRS’s own list of qualifying travel expenses in Publication 463.
Per Diem Rates and the GSA Tables
Per diem is a flat daily allowance the IRS lets you use instead of tracking every receipt for meals and incidentals. The rates come from the General Services Administration for domestic locations and from the Department of State for foreign locations. The IRS publishes them in an annual notice and references them in Publication 463.
For self-employed models filing on Schedule C, the per diem method only covers meals and incidentals. You cannot use a flat per diem for lodging. Lodging always requires actual receipts. The meal-and-incidental rate varies by city. New York is at the top tier, around $80 a day. A small market is closer to $60. Foreign locations can be higher or lower depending on the local cost of living.
The 50 percent meal deduction limit applies to per diem too. If the New York rate is $80 a day and you are away for ten days, you book $800 of meal expenses but only $400 is deductible. The math is mechanical, the documentation is light, and the IRS has accepted this approach for decades.
Agencies that pay travel reimbursements often use a different per diem (the IRS-published high-low rates, or the federal CONUS schedule). What the agency uses for its own accounting does not bind you. You can still use the GSA city-specific rate on your own return as long as you apply it consistently for the year.
The catch is consistency. You cannot use per diem on one trip and actual receipts on another within the same calendar year, at least not without a clean reason. Pick a method at the start of the year and stick with it. Most working models do better with actuals because their travel is concentrated in expensive cities where real meal spending exceeds the GSA cap. Newer models on tighter budgets in smaller markets often come out ahead on per diem.
Per diem records still require the basic four data points: who you were with (if anyone), where you were, when, and the business purpose. The receipts go away, but the calendar does not.
Reimbursed vs Unreimbursed Travel and the Agency Gross-Up Problem
Agency reimbursement is where models lose the most deduction money through bad bookkeeping. The rule is simple: if your agency reimburses you for travel and treats it correctly through an accountable plan, the reimbursement is not income and the expense is not deductible. Net zero. Clean.
Most modeling agencies do not run accountable plans. They book the model apartment, fly you to the job, and then either bill the client and pass the gross amount through to you on a 1099-NEC, or they net the travel against your fees before paying out. Either way, the travel costs show up in your gross 1099 income at the end of the year. That makes the travel fully deductible on your Schedule C because you are paying tax on the reimbursement.
The mistake is failing to deduct the offsetting expense. A model whose 1099-NEC shows $180,000 but who actually netted $140,000 after agency travel charges is paying tax on $40,000 of phantom income unless those travel expenses get pulled onto Schedule C as deductions. We see returns where the model takes the gross 1099 number as income and forgets the deductions entirely. The fix on an amended return is significant.
Foreign agency reimbursements are messier. If a Paris agency pays you the equivalent of $50,000 in euros after withholding French income tax and netting agency travel costs, the US treatment depends on the exact paperwork. The gross fee before agency netting goes on Schedule C as income. The agency commission is a deduction. The travel costs the agency paid are also a deduction because they were paid out of your gross compensation.
Read your statements every month. Most agencies provide a model statement showing gross bookings, commissions, expenses charged, and net payment. Save them. The IRS does not get those statements automatically and will only see the year-end 1099. Your statements are how you prove what the 1099 actually represents.
International Shows, Currency, and IRC Section 911 Interaction
International work introduces three federal tax considerations layered on top of the basic model travel tax deduction. First, the income is still taxable in the US because the US taxes worldwide income for citizens and green card holders. Second, the foreign country usually withholds tax at source. Third, treaty and exclusion rules may apply.
The Foreign Earned Income Exclusion under IRC Section 911 can exclude up to $132,900 (for 2026) of foreign earned income from US tax. The catch: you must meet either the bona fide residence test or the physical presence test (330 full days abroad in a 12-month period). Most working models who travel constantly for fashion weeks and campaigns do not actually meet 330 days outside the US. They come close. They do not get there.
When Section 911 does not apply, the foreign tax credit under IRC Section 901 usually does. Tax paid to France on Paris fashion week income offsets US tax on the same income, dollar for dollar, up to the US tax rate. The credit is claimed on Form 1116.
Currency conversion matters for both income and expenses. Use the exchange rate on the date of each transaction, or the annual average rate published by the IRS, applied consistently. Mixing methods within a year invites questions. Most software handles this automatically if you enter transaction dates accurately.
Travel expenses on international trips are deductible on the same Schedule C as domestic travel. There is no separate form. The fact that you spent the money in euros or yen does not change the analysis. Convert and book.
Treaty positions are case-by-case. The US-France treaty, the US-UK treaty, and the US-Japan treaty all have specific provisions for entertainers and artists that can override the default rules. We work through those during the consult because the wrong assumption costs real money.
Documentation: What the IRS Actually Wants to See
Substantiation rules for travel are stricter than for most other business expenses. IRC Section 274(d) requires contemporaneous records showing the amount, time, place, and business purpose of each travel expense. Reconstructed records made months after the fact are not adequate. The IRS has won case after case where the only documentation was a spreadsheet built in April for the prior year.
Contemporaneous does not mean perfect. A travel app that auto-imports flights and hotel charges, a credit card statement annotated within a week, or a daily note in your phone all qualify. The standard is timely, not pristine.
For each trip, keep the booking confirmation showing dates and destination, the receipts for lodging (always required), the receipts for any single expense over $75, and a brief note about the business purpose. The brief note is the piece models forget. “Paris fashion week, castings with Saint Laurent, Chanel, Dior, confirmed booking with Vogue Paris” is enough. “Travel – Paris” is not.
Calendar entries are gold. A casting calendar that shows the time and location of each appointment, even if the casting did not turn into a booking, is exactly what an auditor wants to see. Castings that did not pay anything are still business activity that supports the travel deduction.
Bank and credit card statements alone are not adequate substantiation. They prove the amount and the date. They do not prove the business purpose. You need the underlying receipt or confirmation tying the expense to a specific business activity. Statements support the audit trail, they do not replace it.
Keep travel records for at least three years after the return is filed. If you took a substantial deduction (more than 25 percent of your gross income), keep them six years because the IRS statute of limitations extends. For international travel claims involving Form 8938 or FBAR filings, keep them indefinitely.
Common Mistakes That Cost Models Real Money
The single biggest mistake is treating every flight as deductible without checking the away-from-home test. A model based in New York who flies to Los Angeles for a same-day shoot and comes back that night did not stay away from home. The flight is not deductible. The cab to JFK is not deductible. Lunch at the airport is not deductible. The shoot fee is still income. We see this on a third of new-client returns when we review the prior year.
The second mistake is deducting reimbursed travel. If a brand directly paid for your flight and hotel for a campaign shoot (not the agency, the brand), and the brand did not 1099 you for the travel cost, that travel is not deductible on your return. You did not pay for it. Models who deduct it anyway are creating phantom deductions that an auditor will reverse.
The third mistake is the spouse and family rule. Bringing your partner to Milan does not make their plane ticket deductible. Their lodging is not deductible if they were not part of the work. The IRS allows family travel only when the family member is genuinely required for the business purpose, which almost never applies to a model.
The fourth is the per diem confusion. Many models try to claim per diem for lodging. The IRS does not allow that for self-employed individuals. Lodging always requires actual receipts. Only meals and incidentals can use per diem.
The fifth is the international closing. Models who finish a season in Paris and stay for a week of vacation cannot deduct the lodging or meals for the vacation days. The flight home is still deductible because you would have flown home anyway, but the extra week is personal. Allocate properly or the auditor will allocate for you.
The last mistake is filing without a CPA who actually works with modeling income. Models have a specific income profile (multiple 1099s, foreign withholding, agency statements, per diem questions, residency complexity) that a general tax preparer often gets wrong. Our team handles this every season for models signed with the major agencies in New York and Europe.
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Frequently Asked Questions
What qualifies as a model travel tax deduction in 2026?
A model travel tax deduction in 2026 qualifies under the same rules that have applied since the Tax Cuts and Jobs Act took effect, with the inflation-adjusted per diem rates and exclusion amounts updated for the year. For a self-employed model filing on Schedule C, travel is deductible when it is ordinary and necessary for the business, takes you away from your tax home for a period requiring sleep or rest, and is primarily for business purposes. Those three pieces come straight from IRC Section 162 and the IRS away-from-home test described in Publication 463. None of those rules changed materially for 2026.
The away-from-home requirement is the most-tested element. A casting across town does not qualify. A two-day shoot in another city does. The IRS uses the overnight-stay standard, which means if your work duties require you to sleep or rest somewhere other than your usual tax home, you have crossed the threshold. Day trips, even long ones with expensive transportation, are local commuting and are not deductible no matter how necessary they were.
Specific categories that qualify for a model travel tax deduction include airfare in any class of service, train fare, rental cars and ride-shares, taxis, parking and tolls, lodging at hotels or short-term rentals, meal expenses subject to the 50 percent limit, baggage fees including overweight and excess fees, shipping of business materials to the destination, business phone and internet charges, laundry and dry cleaning while traveling, tips to service personnel, and visa or passport renewal fees when required for the work.
What does not qualify is also worth knowing. Personal extensions of business trips, family members’ travel costs, lodging during commuting, expensive entertainment unrelated to a specific business purpose, and travel that is reimbursed through an accountable plan are not deductible. The model travel tax deduction works on net out-of-pocket cost. If somebody else paid for it and did not include the reimbursement in your taxable income, you cannot deduct it.
Foreign travel adds a layer. International flights and lodging are deductible on the same Schedule C basis as domestic travel, but the income earned abroad may be subject to foreign tax. The foreign tax credit on Form 1116 usually handles double taxation. The Foreign Earned Income Exclusion under IRC Section 911 may apply if you spend 330 days outside the US in a 12-month window, which most working models do not actually meet.
Documentation requirements for 2026 are tight. The IRS expects contemporaneous records showing the amount, date, location, and business purpose of each travel expense. Receipts are required for lodging at any amount and for any other single expense over $75. Credit card statements alone are not adequate substantiation because they show the amount but not the business purpose.
Per diem methods continue to apply for meals and incidentals only. Lodging must be substantiated with actual receipts. The GSA per diem rates for 2026 will be published in the fall preceding the tax year and the high-low rate method published by the IRS in its annual notice remains an alternative for those who want simpler bookkeeping.
Does my model travel tax deduction work if the agency reimburses me?
A model travel tax deduction interacts with agency reimbursement in a way that confuses most working models, and the answer turns on whether your agency runs an accountable plan or simply passes costs through your statement. The two arrangements produce very different tax results, and the wrong assumption costs real money.
An accountable plan, as defined in Treasury Regulation Section 1.62-2, has three requirements. The expenses must have a business connection, the model must substantiate the expenses to the agency within a reasonable time, and any excess advances must be returned. When all three are met, the reimbursement is not income to you and the expenses are not deductible. The agency takes the deduction at the agency level and you see nothing on your 1099.
Most modeling agencies do not run accountable plans. They book the model apartment, pay for flights through the agency credit card, charge those costs against your bookings, and then either pay you net of those charges or pay you gross and bill you back. The 1099-NEC at year-end usually reports your gross bookings before agency commission and before travel deductions. That makes the entire travel cost deductible on your Schedule C because it is being taxed as part of your gross income.
The model travel tax deduction in this scenario equals every travel-related charge the agency passed through to you. If the agency booked $18,000 of flights, $22,000 of model apartments, and $4,000 of ground transportation against your account during the year, those amounts are all deductible. The supporting documentation is the monthly agency statement showing each charge.
A model travel tax deduction does not work when the brand directly paid for your travel and did not bill you back. If Vogue flies you to Paris and books your hotel for an editorial, and that travel never hits your agency statement or your 1099, you cannot deduct it. You did not pay for it. Models who deduct phantom expenses they did not actually pay are creating audit exposure on something that should never have been on the return.
Foreign agency arrangements are more complex. Models signed with European agencies often see local tax withheld, agency commission deducted, and travel expenses netted before the final payment hits a US account. The full gross fee in the foreign currency converted at the transaction date is the Schedule C income. The agency commission and travel charges are deductions. The foreign tax withheld becomes a credit on Form 1116.
Read your monthly statements. The 1099 the agency issues at year-end only shows one number. Your monthly statements show the components. Without those statements, you cannot prove what your gross income actually represents or what your travel deductions actually were. We ask every new client to bring twelve months of agency statements to the first meeting because the 1099 alone is never enough.
If you have been filing returns that just took the 1099 number as income without breaking out agency travel charges as deductions, prior-year amendments are usually worth running. The three-year statute of limitations on amended returns means 2023, 2024, and 2025 are all still open through April 2027, 2028, and 2029 respectively.
How do per diems affect my model travel tax deduction?
Per diems offer a simpler way to claim a model travel tax deduction for meals and incidentals without keeping every receipt, but the rules have specific limits that most models do not realize until they file. The method is allowed for self-employed individuals only for meals and incidental expenses, never for lodging, which always requires actual receipts.
The federal per diem rates come from the General Services Administration for travel within the continental United States and from the Department of State for foreign locations. The IRS publishes an annual notice (the most recent being Notice 2025-54 for the 2025-2026 travel year) that summarizes the rates and the special high-low method. The model travel tax deduction using per diem follows whichever published rate applies to the specific city on the specific date.
New York, Los Angeles, San Francisco, and a handful of other high-cost cities sit at the top of the GSA schedule, with meal-and-incidental rates around $80 per day. Mid-tier cities run around $69. Standard locations are around $59. Foreign locations vary widely: Paris is in the $130 range, Tokyo around $110, Milan around $115. A model traveling between high-cost cities will see meaningful per diem accumulation across a typical year.
The 50 percent meal deduction limit applies to per diem the same way it applies to actual meal receipts. If you book $80 per day of per diem for ten days in New York, you record $800 of meal expense but only $400 makes it through to your Schedule C deduction. The math is mechanical and tax software handles it automatically once you enter the per diem amount.
A model travel tax deduction using per diem requires a method election that you apply consistently across the year. You cannot use per diem on the Paris trip in February and actual receipts on the Milan trip in March. Pick one method when you start your records for the year. Most working models in expensive markets do better with actual receipts because real spending exceeds the per diem cap, particularly when client dinners, late-night meals during fashion weeks, and room service all come into play.
Newer models or those working in smaller markets often come out ahead with per diem because the actual food costs are lower than the per diem rate and the simpler bookkeeping saves time. The trade-off is documentation simplicity for a potentially smaller deduction.
Even with per diem, you still need to document the four core data points: amount (the per diem rate applied), time (the dates of travel), place (the cities visited), and business purpose (what the trip was for). A simple log in a calendar app showing each travel day and the destination is enough. The IRS does not need receipts under the per diem method but it does need proof that you were actually traveling on the days you claimed.
One nuance models often miss: partial travel days. The IRS allows 75 percent of the daily per diem rate for the first and last day of travel under the standard rules. So a ten-day trip yields per diem for eight full days plus 75 percent for the first and last days, not ten full days. The agency-issued per diem rate calculators handle this automatically but the manual records should reflect the same convention.
Can I claim a model travel tax deduction for fashion week in another city?
Fashion week is the cleanest example of qualifying travel for a model travel tax deduction in the IRS rulebook. The trip is to a specific business destination, the duration requires overnight stays, the work activities (castings, fittings, shows, after-show events with industry contacts) are documented and contemporaneous, and the income generated is reported as self-employment earnings on Schedule C. Every element of the away-from-home test is satisfied.
A model based in New York traveling to Milan, Paris, Tokyo, London, or São Paulo for fashion week is deducting flights, lodging, ground transportation, meals (subject to the 50 percent limit), business phone usage, baggage fees, and the agency-related charges that show up on the model statement. The total per fashion week season often runs into five figures and the model travel tax deduction on that spend is meaningful at federal and state tax rates.
Domestic fashion weeks work the same way. A model based in Los Angeles traveling to New York fashion week qualifies for the full set of deductions. The IRS does not require international travel for the away-from-home test. Any work-related trip requiring overnight stays in a city other than your tax home is in scope.
What models occasionally get wrong is the personal-time problem. Fashion weeks often run two weeks but the actual work commitments concentrate in seven to ten days. If you fly out a few days early to acclimate or stay a week after for personal time, the personal days are not deductible. The flight is still deductible because you would have flown to the city anyway for the work. The lodging and meals for the personal days are not.
Mixed trips need allocation. If you spent 14 days in Milan and only 10 were business days (castings, fittings, shows, scheduled events), you can deduct 100 percent of the round-trip flight, 10 days of lodging, 10 days of meals at the applicable per diem or actual receipts, and the ground transportation on the 10 business days. The 4 personal days are out.
International fashion week travel triggers a foreign income question. Income earned at Paris fashion week is foreign source income for US tax purposes, even if the agency that pays you is in New York. If French tax was withheld on the bookings, you claim a foreign tax credit on Form 1116. If no foreign tax was withheld (because the bookings were paid through a US agency without French presence), the income is simply US taxable income with no offset needed.
Documentation for fashion week travel should be unusually clean because the work is so structured. Save the casting confirmations, the show running orders, the fitting schedules, and the agency itinerary. Models who do this proactively never struggle with the model travel tax deduction in an audit because the business purpose is on the face of every document.
One often-overlooked piece: the cost of the look book, headshots, comp cards, or digitals used during fashion week is a separate business expense, not a travel expense, but it gets deducted on the same Schedule C. Keep those costs in a separate category so the travel category stays clean for substantiation purposes.
What records prove my model travel tax deduction in an audit?
Audit-ready records for a model travel tax deduction follow the substantiation rules in IRC Section 274(d), which sets the toughest documentation standard in the entire Internal Revenue Code. Travel, meals, entertainment, gifts, and listed property all fall under Section 274(d). The required records show the amount of each expense, the time it was incurred, the place it was incurred, and the business purpose. Miss any one of those four and the deduction is at risk regardless of how legitimate the expense actually was.
The amount is the easiest. Credit card statements, debit card transactions, receipts, and agency statements all show amounts. The time is also easy: dates are on every receipt and statement. Place can usually be inferred from the receipt or statement (the airline, the hotel chain, the city tag on the card transaction). Business purpose is the piece that has to be created and saved contemporaneously, and it is where models who keep otherwise good records still lose deductions.
Business purpose for a model travel tax deduction looks like this: “Paris fashion week. Castings Sept 28 – Oct 5. Shows confirmed: Chanel, Hermes, Louis Vuitton. Agency: Ford Paris.” One or two sentences for each trip, written within a week of the trip, attached to the receipts or saved in a travel folder. That is the standard. It does not need to be elegant. It needs to exist.
Required receipts under Section 274(d) include lodging at any amount and any other single expense of $75 or more. So a $74 dinner does not strictly require a receipt under federal rules (though saving it is still wise). A $76 dinner does. A $400 hotel night does. A $1,200 flight does. Save them all. The $75 threshold is a federal minimum and state audits sometimes apply tighter standards.
Calendar evidence is what tips an audit from contested to easy. A complete model casting calendar (in any app, even just a shared Google Calendar) showing each casting, fitting, and shoot during a travel period is direct evidence that the travel was for business. Auditors rarely push back on travel deductions when the calendar shows the work intensity matched the trip dates.
Agency statements are central to model audits because they show the gross fees, the commission, and the travel charges all in one place. Save the monthly statement in PDF form with a clear filename (Agency_Name_2025_03.pdf works). Three years of monthly statements organized cleanly is half the audit defense.
Bank and credit card records are supporting evidence, not primary substantiation. The IRS will accept them as proof of payment, but they do not establish the business purpose on their own. A credit card line item for “AIR FRANCE 1,847.00” proves you paid Air France. It does not prove the flight was for business. Pair the credit card line with the booking confirmation showing dates, route, and the trip purpose noted in your travel log.
Keep all records for at least three years after filing the return. Six years if you claimed deductions that reduced your gross income by more than 25 percent. Indefinitely if any of the travel related to foreign accounts that triggered FBAR or Form 8938 reporting. Cloud storage with date-organized folders is fine. Physical filing is fine. Anything searchable and complete is fine.
If an audit notice arrives, the worst response is to start rebuilding records from memory. Submit what you have, exactly as it exists, and let your CPA work with the auditor on any gaps. Reconstructed records made after an audit notice has been received are routinely disallowed and can convert a manageable adjustment into a much larger problem.