((a)) ** Claims filed before **

((1)) No claim for benefits under this part on account of total disability of a miner shall be considered unless it is filed on or before , or, in the case of a claimant who is a widow, within six months after the death of her husband or by , whichever is the later.

((2)) In the case of a claim by a child this paragraph shall apply, notwithstanding any other provision of this part.

((A)) If such claim is filed within six months following May 1972, and if entitlement to benefits is established pursuant to such claim, such entitlement shall be effective retroactively from , or from the date such child would have been first eligible for such benefit payments had been applicable since , whichever is the lesser period. If on the date such claim is filed the claimant is not eligible for benefit payments, but was eligible at any period of time during the period from , to the date such claim is filed, entitlement shall be effective for the duration of eligibility during such period.

((B)) If such claim is filed after six months following May 1972, and if entitlement to benefits is established pursuant to such claim, such entitlement shall be effective retroactively from a date twelve months preceding the date such claim is filed, or from the date such child would have been first eligible for such benefit payments had been applicable since , whichever is the lesser period. If on the date such claim is filed the claimant is not eligible for benefit payments, but was eligible at any period of time during the period from a date twelve months preceding the date such claim is filed, to the date such claim is filed, entitlement shall be effective for the duration of eligibility during such period.

((C)) No claim for benefits under this part, in the case of a claimant who is a child, shall be considered unless it is filed within six months after the death of his father or mother (whichever last occurred) or by , whichever is the later.

((D)) Any benefit under subparagraph (A) or (B) for a month prior to the month in which a claim is filed shall be reduced, to any extent that may be necessary, so that it will not render erroneous any benefit which, before the filing of such claim, the Secretary has certified for payment for such prior month.

((3)) No claim for benefits under this part, in the case of a claimant who is a parent, brother, or sister shall be considered unless it is filed within six months after the death of the miner or by , whichever is the later.

((b)) ** Filing of claims after ** No benefits shall be paid under this part after , if the claim therefor was filed after .December 31, 19731973-12-31June 30, 19731973-06-30

((c)) ** Effective date of claims** No benefits under this part shall be payable for any period prior to the date a claim therefor is filed.

((d)) ** Reduction of State benefits** No benefits shall be paid under this part to the residents of any State which, after , reduces the benefits payable to persons eligible to receive benefits under this part, under its State laws which are applicable to its general work force with regard to workmen’s compensation, unemployment compensation, or disability insurance.December 30, 19691969-12-30

((e)) ** Conditions upon payment** No benefits shall be payable to a widow, child, parent, brother, or sister under this part on account of the death of a miner unless (1) benefits under this part were being paid to such miner with respect to disability due to pneumoconiosis prior to his death, (2) the death of such miner occurred prior to , or (3) any such individual is entitled to benefits under paragraph (5) of .section 921(c) of this titleJanuary 1, 19741974-01-01