Interim control. No building permit shall be issued by the Director of Development Services for alteration, construction, demolition, or removal of a nominated historic landmark or of any property or structure within a nominated historic district from the date of the Preservation Commission meeting at which a nomination form is first presented until the final disposition of the nomination by the City Council unless such alteration, removal, or demolition is authorized by formal resolution of the City Council as necessary for public health, welfare, or safety. Unless extended by mutual agreement of the property owner(s), applicant and Director of Development Services, the delay of the permit shall not exceed 180 days.