Keeping up with recertifications for NASM, ACE, and AFAA usually means renewing...
https://www.bookmark-tango.win/staying-on-top-of-your-personal-trainer-ceus-and-recertification-for-nasm-ace
Keeping up with recertifications for NASM, ACE, and AFAA usually means renewing every two years, while NFPT requires annual renewal