Final answer:
The waiting period for reapplying for a license after revocation varies by jurisdiction and license type, so referring to the specific laws or regulations is necessary to determine the correct period.
Step-by-step explanation:
When a licensee's license is revoked, the standard waiting period before he or she can reapply for the license can vary depending on the regulations of the specific licensing authority or industry. However, the options provided suggest this question assumes a fixed period. The correct answer to the question 'If a licensee's license is revoked, how long must he wait before he can reapply?' is not universal and can differ by jurisdiction and license type. It is essential to refer to the specific laws or regulations that apply to the particular license in question to find the correct waiting period.