(5) Obligation of funds by States A State to which funds made available by this subsection are distributed shall obligate such funds before the date that is 120 days after the State receives such funds. (6) Expenditure of funds by States A grantee to which a State (or a subgrantee to which a grantee) provides funds made available by this subsection shall expend the funds not later than December 31, 2021. (b) Rules governing use of additional funds Funds are used in accordance with this subsection if— (1) the funds are used for adult protective services (as defined in section 2011(2) of the Social Security Act ( 42 U.S.C. 1397j(2) )