Extends budget breakdown and contract implementation to allow publication of detailed budget allocations and execution for a contracting process, using classifications that can be mapped to separately published budget and spend data.

Adds a links object to packages, to support pagination.

For providing multiple contact points for an organization, or for providing the available languages of a contact point. For example, it may be used to provide a contact point for each language.

The metrics extension supports publication of forecasts (planning stage), targets (tender stage), agreed performance targets (award and contract stage) and results (implementation stage).

Adds a signatories array to the contract object, for when the signatories differ from the buyer for the contracting process and the suppliers for the award.

For providing the risk allocations defined in a public private partnership's contract.

Adds buyer fields to the award and contract objects to indicate the buyer(s) for an individual award or contract, if different from the buyer(s) involved in the contracting process as a whole.

Adds an object to describe the date, time, place and other details of the bid opening.

Adds a project object to the planning object to describe the project to which the contracting process is related, including the total value of the project (not to be confused with the total value of the contracting process).

Adds fields to the tender and lot objects, to provide information related to Sustainable Public Procurement.

Adds a communication object to the tender to describe the modalities of communication about key events.

To allow explicit declaration of suppliers within the contracts block. Used when a single award to multiple suppliers results in multiple contracts to a sub-set of those awarded suppliers.

Adds fields to the document object for page references, access details and author information.

Adds a contract terms object to the tender and lot objects, to describe the terms governing the future contract.

Adds a budget breakdown array to the budget object to break down a budget by source and period.

Adds a publisher field to the document object.

Adds fields to the tender object to describe the legal basis of the procedure.

Makes changes required by the OCDS for PPPs profile. Evaluation indicators, finance summary and project details may be moved into new extensions.

Adds fields to the Tender and Lot objects to describe the options for the renewal of contracts.

Adds a beneficialOwners array to the organization object to indicate the beneficial owners of an organization.