Can caseworker for bridge card cash istance can they cut you off cash istance?

my girlfriend she just turn 18 she was in a program for ppl under 18 wit baby like independent livin now she get cash ist tance n food stamps now she bout get her own crib n out of schoool do they have the right to cute off her cash istance if she dont want to participate in the child support service i think they cant do unless she forget to tell them she was moving to a real apartment give me some respond pleas