What if you have no receipts?

Losing receipts is not the disaster people assume. For most expenses, a bank or card statement plus a sensible explanation is adequate — the rule is that your records must support the figures on your return, not that a paper receipt must exist for each one.

But four categories are treated much more strictly, and for those the answer really is different.

What the rules actually require

You need to be able to show: the amount, the date, and the business purpose.

A receipt does all three at once, which is why it is the default. But a card statement shows amount and date, and a short note supplies the purpose. That combination is ordinarily acceptable.

Formally, receipts are expected for expenses of $75 or more — with lodging requiring one at any amount. Below that threshold the substantiation bar is lower, though a record of some kind is still expected.

The four categories with stricter rules

These are subject to heightened substantiation, and reconstructing them after the fact is genuinely weak:

1. Travel — transport, lodging, and trips away from home
2. Meals — deductible at 50%, and only with a business purpose
3. Gifts — deductible up to a low per-recipient limit
4. Vehicle use — mileage or actual costs

For all four you need a record made at or near the time, showing the business purpose and, for meals and gifts, the business relationship of the people involved.

This is why a mileage app matters more than a receipt scanner: a mileage log recreated in April from memory is exactly what these rules exist to exclude.

Reconstructing a year you did not track

If you are looking at a shoebox and a deadline, the sources that actually work:

• Bank and card statements. Cover most transactions, with dates and amounts.
• Email. Order confirmations, digital receipts, booking references. Searching your inbox for “receipt”, “invoice” and “order” recovers a surprising amount.
• Your calendar. Establishes client meetings, travel, and conference attendance — useful for the business-purpose half.
• Vendor accounts. Amazon, Adobe, Google and most SaaS providers keep full billing history you can download.
• Phone location history, if enabled, which can support mileage.

Reconstructed records are legitimate. They are simply weaker than contemporaneous ones, and weakest in the four strict categories above.

Estimating is not automatically forbidden

There is a long-standing principle — from a 1930 case involving a Broadway producer named Cohan — that where a taxpayer clearly incurred deductible expenses but lacks precise records, a reasonable estimate may be allowed.

Two important limits:

• It is discretionary, not a right. You are asking to be believed.
• It explicitly does not apply to travel, meals, gifts or vehicle use — Congress legislated those out of it.

So it might help with office supplies you clearly bought and cannot document. It will not help with a year of unlogged mileage.

What actually causes problems

Not the missing receipt itself. These:

Round numbers everywhere. A return where every expense is a neat figure signals estimation rather than records.

No plausible relationship to the business. The test is ordinary and necessary for your trade — common in your field, and helpful and appropriate.

Claiming 100% of obviously mixed-use items. A phone or laptop used partly personally is deductible on the business share only.

A pattern of losses. A business that never profits starts to look like a hobby, regardless of documentation.

Fixing it permanently, in about an hour

The system that removes the problem entirely:

• A separate business account and card. Your statement becomes your ledger, and the business-purpose question mostly disappears because everything on it is business.
• Photograph receipts at the point of sale, into a dated cloud folder. A receipt in a pocket is a lost receipt.
• A mileage app running in the background — the single highest-value habit, because mileage is the category where reconstruction fails hardest. Note that 2026 needs a dated log anyway: the rate changed mid-year, 72.5¢ before July 1 and 76¢ after.
• Half an hour a month categorising and noting anything unusual while you still remember what it was.

How long to keep them

Generally three years from filing. Six if you understated income by more than 25%. Indefinitely if you did not file.

Keep asset records — anything you depreciate — for the life of the asset plus three years, because you need the basis when you sell it.

Digital copies are fine. A photo in a dated folder is a valid record.

Do not skip the deduction out of fear

The most expensive mistake here is not claiming legitimate expenses because the documentation is imperfect. Every dollar of unclaimed deduction costs income tax and self-employment tax — frequently over 35% combined.

Claim what you genuinely spent, document it as well as you can, and fix the system going forward. The calculator below shows what your real profit costs once the deductions are in.