Md. Const. II - Executive Department § 13

All civil officers nominated by the Governor and subject to confirmation by the Senate, shall be nominated to the Senate within forty days from the commencement of each regular session of the Legislature; and their term of office, except in cases otherwise provided for in this Constitution, shall commence on the first Monday of May next ensuing their appointment, and continue for two years (unless removed from office), and until their successors, respectively, qualify according to law.