The Board shall notify a social worker by first class mail that the license has not been renewed if the following has occurred:
A. The Board has not received the required certification of completion of continuing education requirements by October 31 of the renewal year and an extension has not been requested;
B. Continuing education requirements have not been met, and an extension request has been denied by the Board;
C. An extension was not submitted to the Board; or
D. The social worker has not responded to audit requirements within the time required.