Also, consistent with the recently promulgated interim final rules under STAA, 29 CFR part 1978; NTSSA and FRSA, 29 CFR part 1982; and CPSIA, 29 CFR part 1983, a new definition of ???business days??? is being added at paragraph 1980.101(c) of these rules to clarify that the term means days other than Saturdays, Sundays and Federal holidays.