audit trail
Every post tagged audit trail.
BookkeepingAugust 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.
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Sales taxAugust 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.
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BookkeepingJune 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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