It is unlawful for any person, firm or corporation to retain any picture, newspaper, magazine, pamphlet, manuscript or any other property belonging in, to, or on deposit with the Chula Vista Public Library, or any reading room, deposit station, or institution operated in connection therewith, for a period exceeding 30 days after the mailing by letter to the borrower’s address, on file with the library, of a notice in writing to return the same, given after the expiration of the time which by the rules of the library the article or other property may be kept. It is further unlawful for any person, firm, or corporation to refuse to pay the fine for the keeping of such properties beyond the time established by the rules. (Ord. 2506 § 1, 1992; Ord. 1679 § 1, 1976).