11 Pa.C.S. § 11054: Signatures, oath and time of signing.

(a) Signers.--Each signer of a petition under section 11051 (relating to petition and reconsideration of ordinance) shall also do all the following:

(1) Include the signer's address.

(2) Make an oath before the city clerk or other person authorized under section 11053 (relating to additional petitions) that the signer:

(i) Is a qualified elector of the city.

(ii) Resides at the address given.

(b) Office hours.--The city clerk shall keep the city clerk's office open, at a minimum, from 9 a.m. through 7 p.m. Monday through Friday, except holidays, for the purpose of receiving signatures to the petitions. The city clerk shall not permit an individual to sign a petition after 7 p.m. of the tenth day following the enactment of the ordinance on which the referendum vote is requested.