Final answer:
If a licensee fails to renew their license by the specified date, they will need to go through the entire license renewal process again.
Step-by-step explanation:
In the given situation, if a licensee fails to renew by June 15 of the year following the expiration of the license, they will be required to undergo the license renewal process again. This means they will have to start from the beginning and complete all the necessary requirements, such as submitting new application forms, providing updated documentation, and possibly undergoing any required exams or training.