Wash. Admin. Code § 388-449-0210
The ABD and SSI programs both provide cash assistance to meet your basic needs. You cannot receive this assistance for the same time period from both programs. When you are approved for or reinstated on SSI, you may receive a retroactive payment. When we made GA, DL, or ABD payments to you or on your behalf for the same time period, you must assign your interim assistance to repay us.
(2) "Interim assistance" means the monetary value of benefits we paid to you or on your behalf during:
[Statutory Authority: RCW 74.04.005, 74.04.050, 74.04.055, 74.04.057, 74.04.510, 74.08.090, 74.08A.100, 74.04.770, 74.04.0052, 74.04.655, 74.08.043, 74.08.335, and 2011 1st sp.s. c 36. WSR 12-10-042, § 388-449-0210, filed 4/27/12, effective 6/1/12.]