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What should I do when a customer will not pay an invoice?

Short answer

Confirm the debt is valid, follow a documented collection process and assess whether it is recoverable. A write-off, impairment or tax bad-debt claim requires the appropriate evidence and local treatment.

Detailed answer

Investigate before writing it off

Check that the invoice reached the customer, payments were not misallocated and the balance is not disputed. Keep records of reminders and agreed repayment plans. Consider the customer's financial position and contractual rights. A late invoice is not automatically a bad debt, and deleting it from the software can destroy the audit trail.

Record the accounting and tax effects

Under accrual accounting, an uncollectible balance may require an allowance or write-off. Income-tax deductibility and VAT or GST relief have their own conditions and timing. Ask your adviser to review material balances, then use supported credit or journal processes with a clear explanation. If money is recovered later, record it consistently and review any earlier tax relief.

Country differences: rules, thresholds and terminology differ between the US, UK, Australia and Canada. Check the official source for your country below.

Official sources

Published by Expert Bookkeeping Services · Last updated 2026-11-01. General information only — confirm specifics for your situation with a qualified adviser.

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