www.cslb.ca.gov | CheckTheLicenseFirst.com | SeniorScamStopper.com September 14, 2022 CSLB #22-09 CSLB Reminds Contractors of Requirements for Mechanical Systems Acceptance Tests SACRAMENTO, CA – The Contractors State License Board (CSLB) has an important reminder for contractors who perform mechanical systems acceptance tests. Any person performing these tests in a nonresidential building must be certified as an acceptance test technician …