Whenever necessary to meet an emergency government emergency for
which adequate regulations have been adopted by the Common Council,
the Mayor and, in their absence, the City Administrator or Director
of Emergency Government, may proclaim, promulgate and enforce orders,
rules and regulations relating to the conduct of persons and the use
of property which are necessary to protect the public peace, health
and safety, and preserve lives and property, and to insure the cooperation
in emergency government activities. Such proclamation shall be posted
in three public places and may be rescinded by resolution of the Common
Council.