Increased means any tariff change that results in higher charges to the payer of freight charges or reduced service at the same rate;
New means an initial rate or other provision for a new service;
Reduced means any tariff change that results in lower charges to the payer of freight charges or expanded service at the same rate; and
Workdays means all days except Saturdays, Sundays and all Federal holidays observed in the District of Columbia.
49 C.F.R. §1312.6