In this Thursday, Jan. 8, 2015 photo, an ad banner appears on display in the parking lot of the H&R Block offices in the Atlas District in Washington. The Internal Revenue Service said it would begin accepting electronic returns and processing paper ones as scheduled on Jan. 20, 2015. (AP Photo/Pablo Martinez Monsivais) (Credit: AP Photo/Pablo Martinez Monsivais) This post originally appeared on ProPublica. Here’s how preparing your taxes could work: You sit down, review a prefilled filing from the government.