(a) All statutes shall begin in the following style: “The General Assembly of the Commonwealth of Pennsylvania hereby enacts as follows:”. Such enacting clause shall be placed immediately after the preamble or the table of contents of the statute, or if there be neither preamble nor table of contents, then immediately after the title.

(b) Preambles, tables of contents, summary analyses, major subdivision headings, section and minor subdivision headings, cross reference descriptions, source notes and parallel tables shall not constitute part of the law and the Legislative Reference Bureau may, in its discretion, either include or omit such provisions in bills drafted by the bureau including bills prepared initially by agencies or persons other than the bureau.

(c) Notwithstanding any provision of this act or other statute to the contrary, in amending a bill or a statute it shall not be necessary to amend or delete any provision which does not constitute part of the law contained in the bill or statute which may be affected by such an amendment nor shall it be necessary to add any such provision to conform to such an amendment.