(c) In accordance with 31 U.S.C. 1558, with respect to any protest filed with the GAO, if the funds available to the agency for a contract at the time a protest is filed in connection with a solicitation for, proposed award of, or award of such a contract would otherwise expire, such funds shall remain available for obligation for 100 days after the date on which the final ruling is made on the protest. A ruling is considered final on the date on which the time allowed for filing an appeal or request for reconsideration has expired, or the date on which a decision is rendered on such appeal or request, whichever is later.