(a) Powers and duties.--The department shall continue to exercise the powers and perform the duties by law vested in and imposed upon the Adjutant General and the department.

(b) Designation.--The Department of Military Affairs is designated as the Department of Military and Veterans Affairs. Contracts, deeds and official actions by the department shall not be affected by the use of the designation by the department as the Department of Military Affairs. The department may continue to use the name Department of Military Affairs on stationery or any official documents until existing supplies are exhausted. The department may substitute the title Department of Military and Veterans Affairs for the Department of Military Affairs on its documents and materials on such schedule as it deems appropriate.