792.12—Administrative appeal.
If the opportunity to appeal the determination has not previously been provided under part 24 of this title or part 780 of this chapter or any other appeal procedure, a debtor may obtain an administrative review under part 780 of this chapter, or other applicable appeal procedures, of FSA' determination concerning the existence or amount of a debt, if a request is filed with the authority who made the determination within 15 days of the date of FSA' initial demand letter, unless a longer period is specified in the initial demand letter.