Record keeping is the least interesting part of running a business right up until the moment somebody asks you for something, and then it is the only part that matters.
The rules are less complicated than the reputation suggests. Here is the practical version.
The principle underneath all of it
The requirement is that your records are sufficient to establish the positions taken on your tax returns.
That framing is more useful than any list, because it tells you what a record is for. A deduction is a claim. The record is the evidence for the claim. If you cannot produce evidence, the claim is weak regardless of whether it was legitimate.
So the question for any document is not “am I required to keep this” but “if someone asked me to prove this number, what would I show them?”
Retention, in plain terms
The general rule most small businesses work to is three years from the date you filed, matching the ordinary period during which a return can be examined and during which you can claim a refund.
Several things extend that, which is why blanket “three years and shred it” advice gets people into trouble:
- Substantially understated income lengthens the examination period considerably.
- No return filed, or a fraudulent one, has no time limit at all.
- Employment tax records have their own retention period, generally longer than three years.
- Asset records run far longer, as below.
Given the storage cost of digital files is effectively nothing, most owners are better off keeping the core records for seven years and asset records indefinitely, rather than trying to manage a per-category calendar.
The categories that actually matter
Bank and credit card statements. The backbone of everything. These are what reconciliation proves your books against, and they are the one category you can usually recover from the bank if lost.
Receipts and invoices. The evidence behind individual expenses. The statement proves money left; the receipt proves what it bought and why it was a business expense.
Sales records and invoices issued. The revenue side of the same logic.
Payroll records. Wages, withholding, filings, W-2s and 1099s. Longer retention, and worth keeping carefully because payroll problems are expensive.
Asset purchase and improvement records. Equipment, vehicles, property, plus anything you spent improving them. Keep these for as long as you own the asset, and then well beyond disposing of it, because that is when you need the original basis to work out gain or loss. This is the category people throw away too early, and reconstructing what you paid for something a decade ago is genuinely hard.
Entity and formation documents. Formation filings, EIN letter, operating agreement, elections such as an S-corp election, and any correspondence about them. Keep permanently. These are small files and expensive to replace.
Loan documents and amortization schedules. You need these to split payments correctly between principal and interest, which is the difference between an expense and a balance sheet entry.
Tax returns themselves. Keep permanently. They are small, and prior returns are needed more often than people expect, for lenders, for carryforwards, for identity verification.
The receipt problem, honestly
Thermal paper receipts fade. Not eventually, quickly. A receipt sitting in a glovebox through a San Antonio summer can be blank within months, and a blank receipt is not evidence of anything.
The only reliable fix is to capture it digitally at the moment you receive it. Photograph or scan it, store it somewhere backed up, and be done.
Digital copies are generally acceptable provided they are complete, legible and retrievable. That word carries the weight. Four thousand unnamed images in a phone’s camera roll technically exist and are practically useless. Name them, or use software that attaches the image to the transaction, which is far better because the record and the bookkeeping entry stay together.
What good looks like in practice
The system that works is the one that requires no discipline in April:
- Bank feeds pull transactions, and each is categorized.
- Receipt images attach to their transactions as they happen, so evidence and entry live together.
- Statements download monthly and are stored by year and account.
- Everything is reconciled monthly, which is what proves the record set is complete rather than merely large.
- It is all backed up somewhere that is not just one laptop.
That last point deserves more attention than it gets. A single copy on one machine is not a records system, it is a pending loss. Cloud storage, or at minimum a backup drive kept somewhere else.
If records are already missing
This is common and mostly recoverable, so start with what can be rebuilt rather than assuming the worst:
- Banks generally provide several years of statements through online banking, and will produce older ones on request, sometimes for a fee.
- Card issuers keep transaction histories that can substitute for lost receipts on many expenses.
- Vendors can usually reissue invoices.
- The IRS can provide wage and income transcripts showing what was reported about you.
What you cannot reconstruct is the business purpose of an ambiguous charge from two years ago. That is why the note matters more than the receipt for anything that is not self-evident: a card statement line saying a restaurant name proves money moved, not why.
The connection to your books
Records and bookkeeping are the same project. Records are the evidence; the books are the organized summary. Either one alone is much less useful than both together.
A shoebox of receipts with no books means nobody knows what the business earned. Books with no supporting records means numbers nobody can substantiate. The pairing is what makes either one worth having, and reconciling monthly is what proves the two actually agree.
The short version
Keep bank statements, receipts, sales records, payroll and tax returns. Work to seven years for the general categories rather than three, because storage is free and the exceptions are real. Keep asset records for as long as you own the asset and well beyond selling it. Keep formation documents and returns permanently.
Capture receipts digitally at the moment you get them, because thermal paper does not wait for you.
If your records exist but nobody has turned them into books, that is the fixable half. Send me three months of statements and I will build you a real Profit and Loss free, which is usually the fastest way to find out what is actually missing.