Md. Code, Public Utilities § 10–106

(a) The term of a for-hire driver’s license is not less than 1 year and not more than 3 years, as the Commission sets.

(b) (1) An applicant for a renewal of a for-hire driver’s license shall submit to the Commission an application on the form that the Commission provides.

(2) The Commission may renew the for-hire driver’s license by appropriate endorsement on the license.

(c) The Commission shall keep on file with the original application of a driver a complete record of:

(1) each for-hire driver’s license issued to the driver; and

(2) any renewal, suspension, and revocation of a for-hire driver’s license issued to the driver.