Md. Code, Health Occupations § 11–308

(a) A license expires on the date set by the Board, unless the license is renewed for an additional term as provided in this section. A license may not be renewed for a term longer than 2 years.

(b) At least 1 month before a license expires, the Board shall send to the licensee, by electronic means or first–class mail to the last known electronic or physical address of the licensee, a renewal notice that states:

(1) The date on which the current license expires;

(2) The date by which the renewal application must be received by the Board for the renewal to be issued and mailed before the license expires; and

(3) The amount of the renewal fee.

(c) Before the license expires, a licensee periodically may renew it for an additional 2-year term, if the licensee:

(1) Otherwise is entitled to be licensed;

(2) Pays to the Board a renewal fee set by the Board; and

(3) Submits to the Board:

(i) A renewal application on the form that the Board requires; and

(ii) Satisfactory evidence of compliance with the continuing education requirements set under this subtitle for license renewal.

(d) The Board shall renew the license of and issue a renewal certificate to each licensee who meets the requirements of this section.

(e) If an optometrist does not renew a license before its expiration date, the Board shall send to the optometrist a notice stating that the license will expire 30 days after the notice is sent unless the optometrist applies for renewal within the grace period.