Unclaimed prize money on a winning lottery ticket or share will be retained by the Secretary for payment to the person entitled thereto for 1 year after the drawing in which the prize was won. If no claim is made within that period, the prize money shall be paid into the State Lottery Fund and used for purposes as otherwise provided in this part so that no less than 40% of the lottery revenues are used for the payment of lottery prizes.
61 Pa. Code § 811.17
This section cited in 61 Pa. Code § 819.231 (relating to procedure for claiming and payment of prizes).