Pub. L. 115-123, div. B, subdiv. 1, tit. XI, sec. 21101

Sec. 21101. Notwithstanding 49 U.S.C. 5302, for fiscal years 2018, 2019, and 2020 the Secretary of Transportation shall treat an area as an “urbanized area” for purposes of 49 U.S.C. 5307 and 5336(a) until the next decennial census following the enactment of this Act if the area was defined and designated as an “urbanized” area by the Secretary of Commerce in the 2000 decennial census and the population of such area fell below 50,000 after the 2000 decennial census as a result of a major disaster: Provided, That an area treated as an “urbanized area” for purposes of this section shall be assigned the population and square miles of the urbanized area designated by the Secretary of Commerce in the 2000 decennial census: Provided further, That the term “major disaster” has the meaning given such term in section 102(2) of the Disaster Relief Act of 1974 (42 U.S.C. 5122(2)).