1. Short title This Act may be cited as the Northern Border Regional Commission Reauthorization Act of 2018 . 2. Administrative expenses of regional commissions Section 15304(c)(3)(A) of title 40, United States Code, is amended by striking unanimous and inserting majority . 3. Economic and infrastructure development grants Section 15501 of title 40, United States Code, is amended— (1) in subsection (a)— (A) in paragraph (7), by striking and at the end; (B) by redesignating paragraph (8) as paragraph (9); and (C) by inserting after paragraph (7) the following: (8) to grow the capacity for successful community economic development in its region; and ; (2) in subsection (b), by striking paragraphs (1) through (3) and inserting paragraph (1), (2), (3), or (7) ; and (3) in subsection (f), by striking the period at the end and inserting , except that financial assistance may be used as otherwise authorized by this subtitle to attract businesses to the region from outside the United States. . 4. State capacity building grant program (a) Definitions In this section: (1) Commission The term Commission means the Northern Border Regional Commission established by section 15301(a)(3) of title 40, United States Code. (2) Commission State The term Commission State means each of the States of Maine, New Hampshire, New York, and Vermont. (3) Eligible county The term eligible county means a county described in section 15733 of title 40, United States Code. (4) Program The term program means the State capacity building grant program established under subsection (b). (b) Establishment Not later than 180 days after the date of enactment of this Act, the Commission shall establish a State capacity building grant program to provide grants to Commission States to carry out the purpose under subsection (c). (c) Purpose The purpose of the program is to support the efforts of Commission States— (1) to better support business retention and expansion in eligible counties