These Regulations shall be administered by the Planning Board with the assistance of the Zoning Administrator and/or such other persons as the Board shall designate. It shall be the duty of the District Commissioners to enforce these Subdivision Regulations and they are hereby given such power and authority. The Commissioners in enforcing these Regulations shall act upon complaint or information from the Planning Board, Zoning Administrator, or other official representative and shall, whenever practicable, take such action as the Planning Board or such other officer requests. The Zoning Administrator, and, where applicable, the Planning Board's Engineer, shall be charged with the responsibility of inspecting improvements and development of subdivisions on site for compliance with the Subdivision Regulations and requirements of the Planning Board and Commissioners, except to the extent that these Regulations otherwise provide, or to the extent the Commissioners shall appoint any other officer or agent of the District to assume such responsibility.