1. Click "ADD/EDIT" next to Form 1099-R, RRB, SSA on the income section.
2. Select "BEGIN" next to Social Security Benefits/RRB-1099 to start entering the SSA-1099 form.
3. Enter the amount listed in Box 5 of the SSA-1099 as the Social Security income.
4. If any taxes were withheld, enter the amount from Box 6 in the appropriate field.
5. Click "Continue" to save and move forward.