Notice of the determination by the occupant of giving invitation to solicitors, or the refusal of invitation to solicitors, to any residence, shall be given in the manner following:
A weatherproof card, approximately three inches by four inches (3" x 4") in size, shall be exhibited upon or near the main entrance door to the residence, indicating the determination by the occupant, containing the applicable words, as follows:
NO SOLICITORS INVITED
The letters shall be at least one-third inch (1/3") in height. For the purpose of uniformity the cards shall be provided by the chief of police to persons requesting, at the cost thereof.
Such card so exhibited shall constitute sufficient notice to any solicitor of the determination by the occupant of the residence of the information contained thereon. (1971 Code)