53 Pa. Stat. § 3385
In all proceedings under this act, the political subdivision shall give at least ten days' notice of the filing of its petition to the Attorney General who may become a party thereto and shall give notice to the public of the proposed date of the hearing, by publication, once a week for three successive weeks in the official legal journal of the county and in a newspaper of general circulation in the municipality, if there be one, or, if not, in a newspaper of general circulation in the county. Any resident of the political subdivision or any group or organization of residents of the political subdivision shall have the right to file a protest and, in the discretion of the court, shall be entitled to be heard in person or by counsel or to intervene in such action and to be a party thereto.
53 P.S. § 3385