The CDS V6-2 Type 003 - Commissioning Data Set Message Header carries mandatory controls for a Commissioning Data Set Message and is only used by inclusion in other CDS Types.

Commissioning Data Set Interchanges containing Commissioning Data Set Messages submitted to the Secondary Uses Service must use the required Commissioning Data Set Interchange and Message Header and Trailer Controls to provide the correct addressing and identification for the data flows.

Multiple Commissioning Data Set messages are usually sent in a single Commissioning Data Set Interchange which consists of:

• CDS V6-2 Type 001 - Commissioning Data Set Interchange Header - Mandatory - One per Commissioning Data Set Interchange
• CDS V6-2 Type 003 - Commissioning Data Set Message Header - Mandatory - One per Commissioning Data Set Message

Dependent upon the Commissioning Data Set Submission Protocol being used, one of the following must be used:

• CDS V6-2 Type 005B - Commissioning Data Set Transaction Header Group - Bulk Update Protocol - Mandatory, one per CDS Type
• CDS V6-2 Type 005N - Commissioning Data Set Transaction Header Group - Net Change Protocol - Mandatory, one per CDS Type

Followed by:

• The CDS Type - As required to carry the specific Commissioning Data Set data records

Each Commissioning Data Set message ends with:

• CDS V6-2 Type 004 - Commissioning Data Set Message Trailer - Mandatory - One per Commissioning Data Set Message

Each Commissioning Data Set Interchange ends with:

• CDS V6-2 Type 002 - Commissioning Data Set Interchange Trailer - Mandatory - One per Commissioning Data Set Interchange

To access more detailed information on the Commissioning Data Sets, see the Commissioning Data Sets Introduction.

Data Group Overview

A high-level view of the Data Groups carried in the CDS V6-2 Type 003 - Commissioning Data Set Message Header is shown below.

See Commissioning Data Set Notation for an explanation of Group Status and Group Repeats.