To make a return or extension payment, use this voucher and Appendix A of Form IL-1065 Instructions.
To make an estimated payment or voluntary prepayment, use this voucher and Appendix B of Form IL-1065 Instructions.
Important: Ensure the proper month and year of the filing period you wish to make a payment for is entered on the "Tax year ending" lines of the voucher.
Payment Voucher for Amended Partnership Replacement Tax
Important: Ensure the proper month and year of the filing period you wish to make a payment for is entered on the "Tax year ending" lines of the voucher.
07/10/24 – Updated to include new Quantum Computing Campuses tax credit.
07/10/24 – Updated to include new Quantum Computing Campuses tax credit and to extend expiration dates for credits affected by recently passed legislation.