https://brossard.ca/en/procedures/apply-for-a-certificate-of-authorization-for-a-place-of-business-commercial/
Apply for a certificate of authorization for a place of business (commercial) | Ville de Brossard
apply for acertificate of authorization
https://www.tssa.org/1000756757-ontario-inc-oa-thermaqua?address=8450+County+Rd-27%7C+Barrie%7C+Canada++++++%7C+L4N+9C4
Find a Certificate of Authorization Holder
Businesses that repair/alter BPVs and install/repair associated piping systems are required to hold a Certificate of Authorization (COA) from TSSA or another...
find a certificateauthorizationholder
https://services.dape.org/com/app/login.asp
Application for Certificate of Authorization (CoA) - Delaware Association of Professional Engineers
application for certificateauthorizationcoadelawareassociation