(a) General rule.--Notwithstanding any law to the contrary, a city which is or has been an assisted city that is levying or has been authorized to levy within the previous three fiscal years a local services tax in excess of $52 and a tax on earned income tax in excess of 1% on residents of the city shall be authorized to levy until the termination date:

(b) Prohibition on commuter tax.--A city which is or has been an assisted city shall not levy a tax or fee on the earned income of nonresidents which is not levied on the date of termination of receivership or on the effective date of this section, whichever is later. Such tax or fee shall not be in excess of the amount authorized in the act of December 31, 1965 (P.L. 1257, No. 511),¹ known as The Local Tax Enabling Act.