1. Short title This Act may be cited as the Expanding the Impact of the HUBZone Program Act of 2017 . 2. Amendments to HUBZone definitions (a) In general Section 3(p) of the Small Business Act ( 15 U.S.C. 632(p) ) is amended— (1) in paragraph (1) by inserting designated on a map by the Administrator that is after any area ; (2) in paragraph (4)— (A) by amending clause (ii) of subparagraph (D) to read as follows: (ii) Limitation With respect to a base closure area that is a census tract or nonmetropolitan county described in clause (i), such census tract or nonmetropolitan shall be treated as a HUBZone for a period beginning on the date the military installation undergoes final closure and ending on the date the Administrator makes a final determination as to whether or not to implement the applicable designation described in subparagraph (A) or (B) in accordance with the results of the decennial census conducted after the area was initially designated as a base closure area.