Enter local wages on the W2 local line. That will flow to line 1 on the PA local return.

The TP will then owe the tax. You will also have to enter the tax rate percentage and the local PSD number.

chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www1.villanova.edu/dam/villanova/finance/documents/payroll/pa_incometax.pdf