Back from the data processing center to the address of the office originating the materials, if carriage is completed within 12 hours or by noon of the addressee’s next business day, and if data processing work on such materials commenced within 36 hours of their receipt at the center.
For purposes of the time limitations for completion of delivery referred to in item 4-1.2a. or 4-1.2b., delivery of shipments between a domestic point and a foreign point shall be deemed to begin at the time materials of foreign origin arrive at the international gateway city or end at the time materials of domestic origin leave the international gateway city. This suspension does not apply to carriages from or to originating offices that are neither part of the firm owning the data processing center nor data processing customers of the firm owning the data processing center.
