Format/length:	See DATE
HES item:
National Codes:
Default Codes:

Notes:

Definition:
This is the date when the CDS Interchange data was created.

Usage:
This is a mandatory data element when submitting CDS Interchanges.

CDS-XML Interchanges:
All XML interchanges submitted must contain a CDS INTERCHANGE DATE OF PREPARATION.
Used in the NHS standard format which is the e-GIF compliant format of CCYY-MM-DD.

NHSCDS EDIFACT Interchanges:
The CDS INTERCHANGE DATE OF PREPARATION is represented by the date contained in the EDIFACT UNB S004/0017 Date Of Preparation compound data element. Note that the EDIFACT format is YYMMDD which is not e-GIF compliant.

CDS INTERFACE GATEWAY SERVICE Interchanges:
The CDS INTERCHANGE DATE OF PREPARATION is represented by the date data contained in the Date Created data field as contained in the Interface Gateway Service Control record. Note that this has the format of CCYYMMDD.
The authorised source of the definition of this IGS data field is contained in the NWCS User Guide.