gislation enacted after they were published. go to tinvw.irs.govItorm1098. Reminder. The only acceptable method of filing information returns with Internal Revenue Servicennformation Returns Branch is electronically through the FIRE system. See Pub. 1220. Specifications for Filing Forms 1097. 1098. 1099, 3921. 3922, 5498, 8935. and W-20 Elect