53 Pa. C.S. § 8701
(a) General rule.--Subject to sections 8703 (relating to adoption of referendum) and 8704 (relating to public referendum requirements for increasing property taxes previously reduced) and except as provided in subsection (b), each school district shall have the power and may by resolution levy, assess and collect or provide for the levying, assessment and collection of the earned income and net profits tax under this chapter.
(b) Exclusions.--No school district which levies an earned income and net profits tax authorized by this chapter shall have any power or authority to levy, assess or collect:
(1) A tax based upon a flat rate or on a millage rate on an assessed valuation of a particular trade, occupation or profession, commonly known as an occupation tax.
(2) A tax at a set or flat rate upon persons employed within the taxing district, commonly known as an occupational privilege tax.
(3) A per capita, poll, residence or similar head tax.
(4) The earned income and net profits tax levied under the Local Tax Enabling Act.
(5) An earned income tax under the act of August 24, 1961 (P.L. 1135, No. 508), referred to as the First Class A School District Earned Income Tax Act, or under the additional authority insection 652.1(a)(2) of the act of March 10, 1949 (P.L. 30, No. 14), known as the Public School Code of 1949.
(6) Any tax under section 652.1(a)(4) of the Public School Code of 1949 except as it pertains to real estate transfer taxes.
(7) Except for taxes permitted under section 8402(b) (relating to scope and limitations), (c), (d), (e) and (f), any other tax authorized or permitted under the Local Tax Enabling Act.
(c) Delinquent taxes.--The provisions of subsection (b) shall not apply to collection of delinquent taxes.
53 Pa.C.S. § 8701