Staying certified as a personal trainer means tracking CEUs and deadlines....

https://web-wiki.win/index.php/Why_Do_Certs_Make_Us_Do_CEUs_In_The_First_Place%3F

Staying certified as a personal trainer means tracking CEUs and deadlines. NASM, ACE, and AFAA usually require recertification every two years, while NFPT renews annually