(a) In each state fiscal year, the board shall reallocate for loan repayment assistance under this subchapter for a particular year any money in the physician education loan repayment program account established under Section 61.5391 that exceeds the amount necessary in that fiscal year for purposes of repayment assistance under Subchapter J.
(b) Any money reallocated under Subsection (a) in a fiscal year that is not used for loan repayment assistance under this subchapter in that fiscal year is treated as if that unused amount had not been reallocated in that fiscal year.