(a) If a person entitled to excess proceeds under this subchapter is not known or has moved from this state or the county in which the lien accrued, the person holding the excess shall pay it to the county treasurer of the county in which the lien accrued. The treasurer shall issue the person a receipt for the payment.
(b) If the person entitled to the excess does not claim it before two years after the day it is paid to the treasurer, the excess becomes a part of the county's general fund.