CRA guidance assigns simplified or normal registration by supply and participant role. Tax systems therefore need to preserve why a transaction entered one regime instead of treating registration as a single account flag.
The EU package now has an official implementation program, but its e-invoicing, digital-reporting, platform, and single-registration measures still land on different dates.
All covered businesses must be able to receive electronic invoices from 1 September 2026, while issuance and e-reporting obligations remain phased by company size.
The government has chosen the destination and start date, while architecture, scope, standards, transition, and technical operation still require detailed design.