A. 
It shall be sufficient service of a notice and order issued by the Department if a copy thereof is served personally in accordance with the provisions of the Civil Practice Law and Rules, or sent by first-class mail to either the person's tax mailing address, if the violation relates to a property or building and the owner is the person to be served, or otherwise to the person's last known address, or left with an agent or a person of suitable age and discretion at the place of violation or tax mailing address or last known address.
B. 
Violations of this chapter may be referred to the Municipal Code Violations Bureau, wherein violators shall be subject to the penalties set forth in § 13A-11 of the Municipal Code. Referral to the Municipal Code Violations Bureau shall not preclude subsequent referral to City Court of unabated violations or injunctive relief in State Supreme Court, and in said instances the courts shall have concurrent jurisdiction.
C. 
Violations of this chapter may also be enforced pursuant to Chapter 52 of the Municipal Code, and violators shall be subject to the penalties set forth in said chapter. The Fire Marshal shall have all of the powers of the Commissioner of Neighborhood and Business Development when acting pursuant to Chapter 52.
D. 
In the case of an emergency, the Fire Marshal or any officer assigned to the Fire Safety Division and any officer assigned to the Fire Suppression Division shall have the authority to order any building or buildings vacated immediately. The procedures set forth in § 52-5A(3) shall apply.
E. 
Whenever the Fire Marshal or her or his designee has reasonable grounds to believe that work on any premises is being performed in violation of the provisions of the applicable laws, ordinances or regulations, or not in conformity with the provisions of the accepted application, plans or specifications and revisions thereof, or in an unsafe and dangerous manner, or without a required operating permit, the Fire Marshal or her or his designee shall notify the owner of the property or the owner's agent to suspend all work, and any such persons shall forthwith stop work and suspend all related activities until the stop-work order has been rescinded. Such order and notice shall be in writing, shall state the conditions under which the work may be resumed and may be served either by delivering it personally or by posting it conspicuously where the work is being performed and sending a copy of it by mail to the address set forth in the operating permit application. Violations of stop-work orders may be referred to the Municipal Code Violations Bureau.
F. 
In the event that changes or additions to the premises are deemed necessary to ensure safety, the Fire Marshal shall immediately report such findings to the Director of the Neighborhood Service Centers and/or the Commissioner of Neighborhood and Business Development.
Should any section, paragraph, sentence, clause or phrase in this chapter be declared unconstitutional or invalid for any reason, the remainder of the chapter shall not be affected thereby and shall remain in full force and effect, and to this end the provisions of this chapter are declared to be severable.