(A)   A local emergency may be declared only by the Mayor or his or her legal successor. It shall not be continued for a period in excess of three days, except by or with the consent of the Council. Any order or proclamation declaring, continuing or terminating a local emergency shall be given prompt and general publicity and shall be filed in the Office of the City Clerk/Treasurer/Administrator.
   (B)   A declaration of a local emergency shall invoke necessary portions of the response and recovery aspects of applicable local or inter-jurisdictional disaster plans, and may authorize aid and assistance thereunder.
   (C)   No jurisdictional agency or official may declare a local emergency unless expressly authorized by the agreement under which the agency functions. However, an inter-jurisdictional disaster agency shall provide aid and services in accordance with the agreement under which it functions.