Guidance
Commercial System, Data and Process Guidance
Guidance and best practice documents for commercial systems and processes.
This is a collection of documents containing:
- Global Design Principles for the Government Commercial Function’s Source to Contract (S2C) process.
- Functional data dictionary aligned to the Open Contracting Data Standard (OCDS).
Please note, the documents contained on this page are intended as best practice reference and do not form mandatory or policy requirements. The documents are being actively maintained and therefore may be updated on a regular basis, please revisit this page to ensure you have the most up-to-date documentation.
Updates to this page
Published 30 July 2021
Last updated 26 January 2026
show all updates
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Documents "Source to Contract Functional Reference Model" and "Source to Contract Data Dictionary" have been updated, including updated document names and descriptions. Document "Commercial systems guidance" has been removed.
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First published.