Categories CPWP/CPWPA Certification Renewal and On-going Professional Training (OPT) Are there any fees for annual renewal of CPWP/CPWPA certification? There is a non-refundable HKD1,000 fee for annual renewal of CPWP certification and $500 for CPWPA certification. ← How long does it take to process the application for the CPWP/CPWPA Certification Renewal? → Is OPT hours cumulative?