CIRO recertification requires 24 PDHs relevant to the practice of refrigeration operation / service / repair / maintenance / engineering. You must submit your documentation in the RETA Certification Database (RCD) for RETA staff to approve your PDH's. A certification renewal application must also be submitted to complete the process.
Click here for the RETA Certification Database (RCD) instructions.
Click here for the certification renewal application on the Recertification website page.