Use Form 8990 to calculate the amount of business interest expense you can deduct and the amount to carry forward to the next year. Current Revision Form 8990 PDF Instructions for Form 8990 PDF (HTML) Recent Developments Threshold for the gross receipts test increased to $29 million for 2023 -- 06-FEB-2024 Other Items You May Find Useful All Form 8990 Revisions Basic questions and answers about the limitation on the deduction for business interest expense Rev. Proc. 2020-22 IRS issues final regulations and other guidance on business interest expense deduction limitation Other Current Products