; (O) environmental health; and (P) outreach and enrollment services with respect to Federal programs (including programs authorized under titles XIX and XXI of the Social Security Act ( 42 U.S.C. 1396 et seq.; 42 U.S.C. 1397aa et seq.)); and (2) other programs determined appropriate by the Secretary. (e) Supplement, not supplant Amounts provided to an eligible entity awarded a grant under subsection (b) shall be used to supplement and not supplant other funds available to the eligible entity to carry out the activities described in subsection (d). (f) Authorization of appropriations There are authorized to be appropriated to carry out this section $200,000,000 for fiscal year 2021 and such sums as may be necessary for each succeeding fiscal year. 416. Critical access hospital improvements (a) Elimination of isolation test for cost-Based ambulance reimbursement (1) In general Section 1834(l)(8) of the Social Security Act ( 42 U.S.C. 1395m(l)(8) ) is amended— (A) in subparagraph (B)— (i) by striking owned and ; and (ii) by inserting (including when such services are provided by the entity under an arrangement with the hospital) after hospital ; and (B) by striking the comma at the end of subparagraph (B) and all that follows and inserting a period. (2) Effective date The amendments made by this subsection shall apply to services furnished on or after January 1, 2021. (b) Provision of a more flexible alternative to the CAH designation 25 inpatient bed limit requirement (1) In general Section 1820(c)(2) of the Social Security Act ( 42 U.S.C. 1395i–4(c)(2) ) is amended— (A) in subparagraph (B)(iii), by striking provides not more than and inserting subject to subparagraph (F), provides not more than