Theis year's deadline for small businesses to change their required employment tax filing from quarterly (using IRS Form 941) to annually (using IRS Form 944) is April 1st. You can look at the Form 944 Instructions on the IRS.GOV website for more information about the program. Basically, small businesses with annual employment taxes at or below $1,000 can exercise the option to file tax payments annually by calling the IRS at (800) 829-4933 and selecting Option 2 before April 1st.