CPCSC for security integrators: what changes
Most integrators file CPCSC under “the client’s problem.” The defense supplier gets certified, the crew installs the cameras and card readers, and s…
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Quebec's QST does not compound: the tax rule most checkout code gets wrong
Quebec's QST does not compound: the tax rule most checkout code gets wrong Most checkout tax code applies rates one after another, each on the runni…
I built a Canadian sales tax API that handles all 13 provinces and territories
TrueNorth API validates a Canadian address and calculates the exact tax for it in two calls: 41 product tax categories, all 13 provinces and territo…
How to Verify a Canadian Contractor Licence — Free Lookup + API (2026)
Every year, homeowners in Canada lose money to unlicensed contractors — and every province has an official registry that would have caught the probl…
From Business Technology in Egypt to CS in Canada: My First Year in Tech
A year ago, I was in a completely different place, both geographically and academically. I was studying Business Technology in Egypt, a path that fo…
How to Automate Canadian T4 Slip Parsing with an API (No OCR Setup Required)
Every year, thousands of mortgage brokers, accountants, and HR professionals in Canada manually re-enter data from T4 slips. Box 14, box 22, box 16,…