31 U.S.C. § 6309 — Non-propagation of core-based statistical area delineations

(a) In General .— Beginning on the date of enactment of the MAPS Act of 2021, and even if another law says otherwise, any change to the standards of core-based statistical area delineations pursuant to section 3504(e) of title 44 —
(1) must not propagate automatically for any non-statistical use by any domestic assistance program, including any such use as required through—
(A) statutory reference to any core-based statistical area delineation; or
(B) administrative or regulatory reference to any core-based statistical area delineation; and
(2) must propagate for any non-statistical use by any domestic assistance program only—
(A) if a relevant agency determines that such a propagation—
(i) supports the purposes of the program; and
(ii) is in the public interest; and
(B) through affirmative adoption through notice-and-comment rulemaking pursuant to section 553 of title 5.
(b) Definitions .— The definitions in section 4 of the MAPS Act of 2021 must apply to this section.