The term “holiday” for the purposes of assessment or reimbursement of the cost of inspection performed under this chapter, the Wholesome Poultry Products Act [
21 U.S.C.
467a et seq.] and the Wholesome Meat Act [
21 U.S.C.
601 et seq.] shall mean the legal public holidays specified by the Congress in section
6103
(a) of title
5.