Unless expressly otherwise agreed between the parties, every notice or response required by a franchise to be served upon the franchising authority or the grantee shall be in writing, and shall be deemed to have been duly given to the required party five business days after having been posted in a properly sealed and correctly addressed envelope when hand delivered or sent by certified or registered mail, postage prepaid, or express mail service.
(2011 Code, Ch. 43, Art. 5, § 9.2)