; (B) in subparagraph (D)(i), by striking (F) each place it appears and inserting (D) ; and (C) in subparagraph (F), by striking clause (ii) and inserting the following: (ii) Adjustments The Secretary may, by regulation only, consider an area described in clause (i)(I) of this subparagraph not to be a rural area for purposes of subparagraph (A). . (d) Exclusion of incarcerated and military base populations in determining whether part of an area is rural in character (1) In general Section 343(a)(13)(D)(iii) of the Consolidated Farm and Rural Development Act ( 7 U.S.C. 1991(a)(13)(D)(iii) ) is amended by redesignating subclauses (III) through (VII) as subclauses (IV) through (VIII), respectively, and inserting after subclause (II) the following: (III) disregard the populations described in subparagraphs (F) and (G) in determining whether part of an area is rural in character