Which of the Following Is True Regarding Continued Certification by the National

Which of the following is true regarding continued certification by the National Board for Certification of Occupational Therapy?

A) Initial certification is mandatory, but recertification after the initial 3-year period is voluntary.
B) Certification and recertification are mandatory for all occupational therapy practitioners who practice in a state with licensure.
C) Certification and recertification are both voluntary as long as candidates can provide their state regulatory board a passing score on the NBCOT© examination.
D) Certification is always mandatory for OTs but is voluntary for OTAs after the initial 3-year certification period.