Tag

audit trail

Every post tagged audit trail.

Bookkeeping · August 26, 2026

What your books have to prove, and for how long

An audit trail is not paperwork. It is the difference between a number you can defend and a number you are asserting — and the retention rules run longer than most people assume.

Sales tax · August 11, 2026

Input tax credits are an evidence problem, not a maths problem

The arithmetic of claiming back GST/HST is trivial. What gets claims denied on audit is missing documentation and tax claimed on things that were never recoverable.

Bookkeeping · June 16, 2026

Why your books should be an immutable ledger

A real ledger never lets a posted entry be silently edited or deleted — corrections happen by reversing. Here's why that matters, and how comma enforces it.

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