Tidewire blog
Texting the right way in Canada
Plain-language guides to Canada’s anti-spam law (CASL) and business texting, with sources for every rule.
October 24, 2026 · 4 min read
CASL and Text Messaging: A Plain-Language Guide for Canadian Businesses
How Canada’s anti-spam law applies to business texts: when you need consent, what every text must include, how STOP works, and what the penalties are.
October 24, 2026 · 4 min readExpress vs Implied Consent Under CASL: How Long Each Lasts
The difference between express and implied consent under Canada’s anti-spam law, how long implied consent lasts, how to calculate it, and how to prove consent.
October 24, 2026 · 4 min readWhat Every Commercial Text Must Include Under CASL
The identification, contact information and unsubscribe wording Canada’s anti-spam law requires in every commercial text, with examples that fit in one message.