Canandaigua, N.Y., Code of Ordinances ch. 560 § 560-4

A. Owners of residential rental property that is located in the City shall complete and sign a rental registration form provided by the Code Enforcement Office within 30 days of date of mailing, or electronically if authorized by the City. The form shall indicate the name, physical address, and telephone number of each owner and agent, if applicable; the number and address of each rental dwelling, the number of dwelling units contained within each rental dwelling, whether the premises are governed by a written lease or an oral lease, daytime and evening telephone numbers of the owner and agent, if applicable, the maximum number of tenants, and any other pertinent data sought by the Code Enforcement Officer. The form shall indicate an address for receipt of notices by mailing under this article. The property owner shall be responsible for timely updating such information in the event that changed circumstances would render the information in the registration form inaccurate. B. Owners of residential rental property located in the City, who reside in any county other than Ontario County or contiguous counties, shall provide the Code Enforcement Office with the name, physical address, and twenty-four-hour phone number of an individual over the age of 18 who shall reside in Ontario County or any county contiguous thereto and who shall be designated as agent for receiving mailed notice or service of process and acting on behalf of the owner in his absence. Such agent shall be deemed to have the rights and responsibilities of the property owner for the purposes of this article. A new property owner shall provide the information required in this subsection within five days from the date of any change of ownership.