To qualify for supplemental insurance under this section a person must file with the Secretary an application for such insurance. Such application must be filed not later than (1)
October 31, 1993, or (2) the end of the one-year period beginning on the date on which the Secretary notifies the person that the person is entitled to a waiver of premiums under
section 1912 of this title, whichever is later. The Secretary may not accept any such application after
December 31, 2022. Except as provided by section 1922(d)(2)(B), a veteran may not have supplemental insurance under this section and be insured under section 1922B simultaneously.