(a) In order to respond to special circumstances, the Secretary concerned may pay (by advancement or reimbursement) a person who is a former captive for expenses incurred, while attending an educational or training institution, for—
(b) Except as provided in section 2184 of this title, payments shall be available under this section for a person who is a former captive for education or training that occurs—
(2) on or before—
the end of any semester or quarter (as appropriate) that begins before the end of the 10-year period beginning on the date on which the status of that person as a captive terminates; or
Payments shall be available under this section only to the extent that such payments are not otherwise authorized by law.