Every ordinance imposing a penalty, fine, forfeiture or other punishment, in addition to the provisions of section 9-812, shall be published after its enactment by posting at city or town hall or in one public place, within the city or town, on the city’s or town’s website and any additional public notice as is reasonable and practicable and shall be in force from and after the date of posting. Exhibits to the ordinance may be excluded from the postings pursuant to this section if the city or town lists in the postings where the exhibits are available for public use and inspection. Posting may be established by the affidavit of the person who posted the ordinance filed with the clerk.