; and (2) by adding at the end the following: (D) Compensation reduced by Special Master due to insufficient funding (i) In general With respect to any claim in Group B as described in section 405(a)(3)(C)(iii) for which, prior to the date of enactment of this subparagraph, the Special Master had advised the claimant that the amount of compensation for such claim has been reduced on the basis of insufficient funding, the Special Master shall, in the first fiscal year following such date of enactment that sufficient funding becomes available under this title, pay to the claimant an amount that is, as determined by the Special Master, equal to the difference between— (I) the amount the claimant would have been paid under this title if sufficient funding was available to the Special Master at the time the Special Master determined the amount due the claimant under this title; and (II) the amount the claimant was paid under this title. (ii) Definitions For purposes of this subparagraph: (I) Insufficient funding The term insufficient funding means funding— (aa) that is available to the Special Master under section 410(c), as in effect on the day before the date of enactment of this subparagraph, for purposes of compensating claims in Group B as described in section 405(a)(3)(C)(iii); and (bb) that the Special Master determines is insufficient for purposes of compensating all such claims and complying with subparagraph (A). (II) Sufficient funding The term sufficient funding means funding— (aa) made available to the Special Master for purposes of compensating claims in Group B as described in section 405(a)(3)(C)(iii) through an Act of Congress that is enacted after the date on which the amount of the claim described in clause (i) has been reduced