Final answer:
Physicians must renew their registration to the CSPMP regularly, with specific renewal requirements varying by state.
Step-by-step explanation:
A physician must renew their registration to the Controlled Substance Prescription Monitoring Program (CSPMP) on a regular basis. The specific renewal requirements can vary by state, as each state may have different regulations regarding the frequency of renewal.
For example, in some states, physicians may need to renew their registration annually, while in others it may be required every two years. It is important for physicians to familiarize themselves with the regulations in their state to ensure compliance.
Overall, the renewal of registration to the CSPMP is necessary to maintain the physician's ability to prescribe controlled substances and to ensure proper monitoring of these substances.