The IRS says business records support financial statements, income and expense tracking, and tax reporting. The appropriate records depend on the business and transaction. A receipt should be retained as supporting evidence, not treated as an automatic determination of deductibility.
Capture the context with the document
Ask the purchaser to identify the business purpose, relevant project or job, and responsible person using the business’s approved process. Keep the original receipt legible and linked to the payment record. Avoid adding unnecessary personal information to a broadly shared expense log.
If the expense concerns several activities, flag the allocation question for the bookkeeper or adviser. Do not invent a split merely to finish the entry. An unresolved question is easier to review when it is explicit and the person who incurred the expense is still available.
Separate a payment from the supporting detail
A bank or card entry can establish that money moved without explaining everything purchased. Conversely, a receipt may exist before payment is completed. Connect the records with a reference and preserve both where relevant.
For a hypothetical repair business buying parts for several jobs, a short allocation note can help connect the invoice with the work performed. The record should show what is known and which amount still needs clarification. That is more useful than a general label such as miscellaneous supplies.
Resolve exceptions during a regular review
Give missing receipts and unclear purposes an owner and follow-up date. Ask the adviser what alternative support may be appropriate when an original cannot be obtained. Preserve any explanation and correspondence rather than manufacturing a replacement document.
At the end of the review, the business should have a usable link between payment, supporting document and business purpose. Individual tax treatment depends on the facts and applicable rules. Good capture does not guarantee a deduction, but it gives a qualified reviewer a stronger basis for assessing the expense.