Data. Data when used in conjunction with immediate delivery, entryand/or entry summary means the information required to be submitted with the immediate delivery, entry and/or entry summary, respectively, in accordance with the CATAIR (CBP Publication 552, Customs and Trade Automated Interface Requirements) and/or CBP Headquarters directives. It does not mean the actual paper documents, but includes all of the information required to be in such documents.
19 CFR § 143.32
The following are definitions for purposes of subparts D and E of this part: