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GST/HST Guide

A quick-reference overview of registration, filing cadence, and input tax credit controls for GST/HST accounts.

Updated April 2026

GST/HST errors are common and expensive. This guide covers baseline controls that help businesses stay compliant.

Frequently Asked Questions

Quick answers to the most common questions on this topic.

Registration is generally required once a business exceeds the small supplier threshold, so monitor revenue and register promptly when required.