31 USC 6309 – Non-propagation of core-based statistical area delineations
(a)
(1) shall 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) shall 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)