(a) Whenever, under the provisions of this act, notice is required to be published in one newspaper, such publication shall be made in a newspaper of general circulation as defined by the “Newspaper Advertising Act” of May sixteen, one thousand nine hundred twenty-nine (Pamphlet Laws 1784),¹ printed in the county, unless the matter in connection with which the advertising is being done affects only a school district, in which case such advertisement shall be published in a newspaper printed in such school district, if there is such a newspaper, and if not, then in a newspaper circulating generally in such school district. 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 school district.

(b) 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, in each school district, 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 advertisements: Provided, That auditors' statements, summaries of auditors' statements, advertisements inviting proposals for public contracts and for bids for materials and supplies, or lists of delinquent taxpayers, shall be published only in newspapers of general circulation, defined as aforesaid.

(c) Proof of publication of any notice required to be given by the posting of handbills or statements shall be made by attaching an original copy of such handbill or statement as actually printed and posted to an affidavit made by the person posting such notice. Such affiant shall not be an interested party or an employe of any person or persons interested in the subject matter of said notice. His affidavit shall state where and when the notices were posted and where the notice was published in newspapers, as aforesaid. A printed copy, exactly as published in said newspaper, shall be securely attached to a similar affidavit of the publisher or his designated agent.