; and (2) the deposit requirements of section 8411(f) of such title had been met with respect to such service. (b) Disability annuity Beginning on the date of enactment of this Act, any Federal wildland firefighter who suffers from a disease described in section 8143b(b)(2) of title 5, United States Code, due to environmental job-related exposure, including smoke inhalation, silicate inhalation, and firefighting toxic exposure, shall be considered to be disabled for purposes of section 8451 of such title. Such section 8451 shall be applied to any such firefighter by substituting 12 months for 18 months . (c) Including overtime as basic pay Section 8331(3) of title 5, United States Code, is amended— (1) in subparagraph (H), by striking and at the end; (2) in subparagraph (I), by inserting and after the semicolon; (3) by inserting after subparagraph (I) the following: (J) with respect to a Federal wildland firefighter (as that term is defined in section 1(b) of the Tim Hart Wildland Firefighter Classification and Pay Parity Act), overtime pay received on or after the date of enactment of this subparagraph;