; and (B) by redesignating paragraph (6) as paragraph (5); and (2) in subsection (k)(1)(C), by striking fiscal years 2014 through 2018 and inserting fiscal years 2018 through 2023 . (b) Extension of citrus disease subcommittee termination date Section 1408A(a)(2)(D) of the Food and Agriculture Act of 1977 ( 7 U.S.C. 3123a(a)(2)(D) ) is amended by striking on September 30, 2018 and inserting on the date Huanglongbing and the Asian Citrus Psyllid no longer pose a threat to United States citrus production, as determined by the citrus disease subcommittee . 4. Authorization for citrus health response program For purposes of carrying out the citrus health response program of the Animal and Plant Health Inspection Service, there is authorized to be appropriated such sums as may be necessary for fiscal years 2018 through 2023. 5. Authorization for Multi-Agency Coordination Group For purposes of carrying out the activities of the Huanglongbing Multi-Agency Coordination Group (HLB-MAC) under the Department of Agriculture, there is authorized to be appropriated such sums as may be necessary for fiscal years 2018 through 2023. 6. Limitations on assistance for the tree assistance program (a) Limitations on assistance Section 1501(e)(4) of the Agricultural Act of 2014 ( 7 U.S.C. 9081(e)(4) ) is amended— (1) in subparagraph (B)— (A) by striking exceed $125,000 and inserting the following: exceed— (i) $125,000 ; (B) by striking the period and inserting ; or ; and (C) by adding at the end the following new clause: (ii) if the person or legal entity is a citrus producer (as defined in paragraph (5) of section 412(j) of the Agricultural Research, Extension, and Education Reform Act of 1998 ( 7 U.S.C. 7632(j) )), $250,000, for any crop year, or an equivalent value in tree seedlings. ; (2) in subparagraph (C)— (A) by striking exceed 500 acres. and inserting the following: exceed— (i) 500 acres