The commissioner has all of the powers and duties necessary to carry out the mission and responsibilities of the department. The commissioner has the power to distribute the functions and duties given to the commissioner under this Title, Title 5, Title 19-A, Title 22 and Title 34-B among the various offices of the department so as to integrate the work properly and to promote the most economical and efficient administration of the department. Wherever in this Title, Title 5, Title 19-A, Title 22 or Title 34-B powers and duties are given to the commissioner or the department, these must be assumed and carried out by the offices that the commissioner designates, and these powers and duties may in turn be delegated to subordinates by those office directors with the approval of the commissioner. [2007, c. 539, Pt. N, §43 (AMD).]