Final answer:
The validity of a practitioner certificate can range from one to three years depending on the issuing body, and it becomes inactive if not renewed by meeting continuing educational or other requirements.
Step-by-step explanation:
The validity period of a practitioner certificate depends on the issuing body and the jurisdiction. Typically, medical and other health professional certification must be renewed every few years, commonly ranging from one to three years. After this period, if the practitioner has not completed the necessary continuing education or met other renewal requirements set by the certification board, the certificate becomes inactive or expires.
It's important for practitioners to stay informed about the expiration date and renewal process for their particular certificate to ensure they remain in good standing and can legally practice. If a certificate becomes inactive, the individual may need to meet additional requirements, such as completing continued education or paying reactivation fees, to reactivate their certification.