Maryland Business Occupations and Professions Section 11-408
§ 11-408.
  (a)   A license shall be effective for 2 years from the date it is issued.
  (b)   At least 1 month before a license expires, the Board shall mail to the licensee, at the last known address of the licensee:
    (1)   a renewal application form; and
    (2)   a notice that states:
      (i)   the date on which the current license expires;
      (ii)   the date by which the Board must receive the renewal application for the renewal to be issued and mailed before the license expires; and
      (iii)   the amount of the renewal fee.
  (c)   Before a license expires, the 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 of:
      (i)   $600 for an unlimited license;
      (ii)   $300 for a 37-foot-draft limited license;
      (iii)   $300 for a 34-foot-draft limited license; or
      (iv)   $200 for a 28-foot-draft limited license; and
    (3)   submits to the Board a renewal application on the form that the Board provides.
  (d)   The Board shall renew the license of a licensee who meets the requirements of this section.