DI 10515: Evaluation of Work Activity in Title II Blindness Cases
TN 5 (08-94)
The SSA-821-BK and SSA-820-F4 are designed as aids in securing and reporting specific information concerning work activity. See DI 10505.035 for completion of the SSA-821-BK (Work Activity Report - Employee). See DI 10510.025 (Work Activity Report - Self Employed).