16 Pa. Stat. § 3110
Whenever under the provisions of this act advertisement, notice or publication is required to be published in one newspaper, such publication shall be made in a newspaper of general circulation, as defined by the act, approved the sixteenth day of May, one thousand nine hundred twenty-nine (Pamphlet Laws 1784), known as the Newspaper Advertising Act, printed in the county, unless the matter in connection with which the advertising is being done affects only a political subdivision, in which case such advertisement shall be published in a newspaper printed in such political subdivision, if there is such a newspaper, and if not, then in a newspaper circulating generally in such political subdivision. If such notice is required to be published in more than one newspaper, it shall be published in at least one newspaper of general circulation, defined as aforesaid, printed, if there be such a newspaper, or circulating generally, as above provided, in the county. When such notice relates to any proceeding or matter in any court, or the holding of an election for the increase of indebtedness, or the issue and sale of bonds to be paid by taxation, such notice shall also be published in the legal newspaper, if any, designated by the rules of court of the proper county for the publication of legal notices and advertisement, unless such publication be dispensed with by special order of court. All ordinances, auditors' reports, controllers' reports, or advertisements inviting proposals for public contracts and for bids for materials and supplies, shall be published only in newspapers of general circulation, as hereinbefore defined.
16 P.S. § 3110