Final answer:
The board can revoke a license for reasons such as non-compliance with sanitary norms, drug addiction, bribery to obtain a license, and not displaying the license. Revocation is a legal action to ensure professional standards and public safety.
Step-by-step explanation:
The board may revoke any license for the following reasons: Failure to comply with sanitary requirements, drug addiction, obtaining a license by bribery, and failure to display the annual license. This is a legal procedure that regulatory bodies undertake to ensure that professionals adhere to the standards and regulations of their practice. Sanctioning a license can be a severe penalty within professional fields and is often done to protect public health and maintain the integrity of the profession. Issues such as failure to comply with sanitary requirements can pose serious public health risks, while drug addiction may impair an individual's ability to perform their professional duties safely and effectively.