Except as otherwise expressly provided, the following words, whenever used in this article, shall have the following meanings:
The Chief of the Department of Fire, Emergency and Building Services or his designee.
Any person, firm or corporation owning, operating, controlling or maintaining buildings covered by this article.
Any person who possesses an inspector's license in accordance with the provisions of this article and who is engaged in the business of inspecting buildings which contain an area of public assembly.
A license which is issued to an inspector who has proven his or her qualifications and ability and has been authorized by the Administrator to possess this type of license. It shall entitle the holder thereof to engage in the business of inspecting buildings which contain an area of public assembly.
A written license, duly issued by the Administrator, authorizing a person, firm or company to carry on the business of performing inspections of buildings which contain an area of public assembly.