Not later than 180 days after the date of the enactment of this Act, the Secretary of Veterans Affairs shall—
(1)
amend the schedule for rating disabilities pursuant to section 1155 of title 38, United States Code, to add a diagnostic code and evaluation criteria for obliterative bronchiolitis; and
(2)
provide a process by which a veteran who, as of the date of the enactment of this Act, is receiving compensation under chapter 11 of such title for a service-connected disability—
(A)
may have such service-connected disability reevaluated based on the diagnostic code and evaluation criteria described in paragraph (1); and
(B)
may be assigned a new disability rating as a result of such reevaluation, if such assignment does not reduce the disability rating of such veteran in effect immediately prior to the date of such assignment.