4 Pa. Stat. § 86
In any municipality the will of the electors with respect to baseball and football on Sunday may, after the year one thousand nine hundred and thirty-three, but not oftener than once in three years, be ascertained, and the question, as provided in this act, shall be submitted to the electors of any municipality upon demand, in writing, of petitioners equal to at least five per centum of the highest vote cast for any office in the municipality at the last preceding general or municipal election. Such petition shall be filed with the corporate authorities at least sixty days before the day of any general or municipal election at which the question is to be submitted, and, if the petition is sufficiently signed, shall thereupon be certified to the county commissioners, who shall cause such question to be submitted in the same manner as is provided in this act for the election in the year one thousand nine hundred and thirty-three.
If a majority of the electors, voting in any municipality which licenses baseball and football games to which an admission charge is made or is incidental, are not in favor of such licensing, then the ordinance or resolution licensing such baseball and football games shall be repealed; but if a majority of the electors in any such municipality which does not license baseball and football games are in favor of such licensing, then an ordinance or resolution shall be enacted or adopted licensing baseball and football games to which an admission charge is made or is incidental, as provided in this act.
4 P.S. § 86