Cancellation of Debt. Use Form 1099-C Copy A to print and mail payment information to the IRS. 1099-C Forms are 3up on an 8 1/2 x 11" sheet with a 1/2" side perforation and are printed with required red scannable ink on 20# laser paper. Order the quantity equal to the number of debtors for which you file. Mail in a batch to the IRS.