If the taxpayer is claiming a credit for taxes paid in more than one state, the taxpayer must complete a PA-40 Schedule G-L for each state. The value of the option less any amount paid for the option will be taxed as compensation.Compensation deduction equal to income withheld as Pennsylvania wages. Here's a straightforward guide to help you navigate payroll taxes in Pennsylvania. Understanding payroll taxes can save you from costly mistakes. Complete this form to establish, change, or delete payroll deduction instructions on your existing PA 529 Investment Plan accounts.