New electronic payments options are now available through myPATH. The payment is due the next business day if the due date falls on a weekend or holiday.Visit myPATH to pay and submit a request for extension of time to file electronically. Note electronic processing may not be available to first-time PA filers. Progress payment must be made within 20 days of invoice. Final payment due within 30 days of final acceptance of project. Prepare Form REV-276. CASPA requires that a GC disclose the due date for receipt of payments from the owner prior to the execution of a subcontract. The tax payment must be initiated the business day prior to the bank holiday or weekend so that funds are available immediately on the first business day. Write your last four Social Security number, "PA-40 V", and your phone number on the check.