Final answer:
The licensee must notify the department of any changes in firm name, mailing address, or telephone number within 10 days to ensure compliance and maintain uninterrupted communication.
Step-by-step explanation:
The licensee must notify the department of a range of changes within 10 days. These changes include:
- Change in firm name
- Change of mailing address
- Change of telephone number
Failure to promptly notify the department of these changes can result in penalties or complications with the licensee's standing. It is essential to maintain current records with the department to ensure compliance and to facilitate uninterrupted communication. The department referenced, based on the context provided, seems to be associated with vehicular or driving regulations, such as the DMV (Department of Motor Vehicles).