How do I contact you to set up a payment agreement for my delinquent taxes? POP-1. Pay or Play Acknowledgement.Contractor acknowledges POP Program and agrees to comply if they are the successful bidder. Use Form 9465 to request a monthly installment plan if you cannot pay the full amount you owe shown on your tax return (or on a notice we sent you). For your convenience, we have made some common housing forms available for your use. Click below on the links to view or download forms. Payment Services Forms (Alphabetical). Note: Forms must be downloaded and opened using Adobe Acrobat Reader if you want to fill them out electronically. The following forms are available for downloading, printing and completing.