(a) Powers and duties.--The powers and duties given to and imposed upon the department by sections 4111 (relating to testing and inspections of standards), 4112 (relating to general testing and inspections), 4115 (relating to training program), 4116 (relating to investigations), 4117 (relating to inspection of packages), 4118 (relating to stop-use, stop-removal and removal orders), 4119 (relating to disposition of correct and incorrect apparatus), 4120 (relating to police powers; right of entry and stoppage), 4124 (relating to concurrent jurisdiction) and 4192 (relating to temporary or permanent injunctions) are hereby given to and imposed upon the director and inspector also when acting under the instructions and at the direction of the department.

(b) Delegation of powers and duties.--The department may delegate to city and county sealers appointed pursuant to the provisions of section 4122 (relating to city and county sealers and deputy sealers of weights and measures; appointment, powers and duties) the powers and duties, or any portion thereof, given to and imposed upon it by sections 4112, 4116, 4117, 4118, 4119, 4120 and 4192, provided that the division of inspection responsibilities and other conditions of such delegation are fully delineated as part of the memorandum of understanding required pursuant to section 4125 (relating to division of responsibilities).