53 Pa. Stat. § 53804
The council shall exercise the powers granted in this act by ordinance which shall provide for effecting of its purposes and for the enforcement of the regulations and restrictions established therein by reasonable fines and by instituting appropriate actions or proceedings at law or in equity. At least one week, and not more than three weeks, prior to the presentation of the proposed ordinance, informative notice of intention to consider such proposed ordinance and a brief summary setting forth the principal provisions of the proposed ordinance in such reasonable detail as will give notice of its contents, and a reference to the place or places within the incorporated town where copies of the proposed ordinance and zone maps may be examined shall be published in the manner provided by law for the publication of ordinances.
The provisions of the ordinance need not be advertised or recorded as in other cases, but may be supplied by reference to a code or to parts thereof determined by the council or such provisions of the ordinance may be supplied by reference to a typed or printed code prepared under the direction of, or accepted by, the council or such provisions may consist of a standard code approved as aforesaid or parts thereof and also further provisions typed or printed as aforesaid. Copies of the provisions of the ordinance thus adopted by reference shall be made available to any interested party at the cost thereof, or may be furnished or loaned without charge and a copy of such provisions of the ordinance whether by reference to a standard code or a combination of them shall be attached to the ordinance book with the same force and effect as if duly recorded therein.
The procedure set forth relating to the adoption of the ordinance may likewise be adopted in amending, supplementing or repealing any of the provisions of the ordinance.
53 P.S. § 53804