; and (B) by adding at the end the following new subsection: (g) In any case in which the Secretary determines that a veteran has been prevented from participating in a vocational rehabilitation program under this chapter within the twelve-year period of eligibility prescribed in subsection (a) by reason of an Executive order of the President or due to an emergency situation, such twelve-year period— (1) shall not run during the period the individual is so prevented from participating such program; and (2) shall again begin running on the first day after the individual is able to resume participation in such program. . (2) Duration of program During the covered period, the Secretary of Veterans Affairs shall apply section 3105(b) of such title as if it were amended— (A) in paragraph (1), by striking paragraph (2) and inserting paragraphs (2) and (3)