Use this form to make adjustments to liability reported on Forms 720 you have filed for previous quarters. Do not use Form 720-X to make changes to claims made on Schedule C (Form 720), except for the section 4051(d) tire credit and section 6426 credits. Current Revision Form 720-XPDF Recent Developments The Inflation Reduction Act of 2022 made the following changes impacting Form 720-X -- 26-OCT-202 Other Items You May Find Useful All Form 720-X Revisions About Publication 510, Excise Taxes (Including Fuel Tax Credits & Refunds) About Form 720, Quarterly Federal Excise Tax Return Other Current Products