You can download the release-schema.json file in English.


The extension defines these fields in the release schema:

Field Title Description Type(s)
bids Bids

The bid section is used to publish summary statistics, and where applicable, individual bid information.

Bids object


The extension defines these fields in the Award object from OCDS:

Field Title Description Type(s)
relatedBid Related bid

Where bid details are used, a cross reference to the entry in the bids array to which this award relates. Provide the bid identifier here.



The extension defines a new BidsStatistic object with these fields:

Field Title Description Type(s)
id ID

An internal identifier for this statistical item.

measure Measure

An item from the bidStatistics codelist for the statistic reported in value. This is an open codelist, and other statistics may also be included.

string from open bidStatistics codelist
date Date

The date when this statistic was last updated. This is often the closing date of the tender process. This field can be left blank unless either (a) the same statistic is provided from multiple points in time, or (b) there is a specific local requirement for the date when statistics were calculated to be provided.

value Value

The value for the measure in question. Total counts should be provided as an integer. Percentages should be presented as a proportion of 1 (e.g. 10% = 0.1)

notes Notes

Any notes required to understand or interpret the given statistic.

relatedLot Related Lot

Where lots are in use, if this statistic relates to bids on a particular lot, provide the lot identifier here. If left blank, the statistic will be interpreted as applying to the whole tender.



The extension defines a new Bids object with these fields:

Field Title Description Type(s)
statistics Statistics

Summary statistics on the number and nature of bids received. Where information is provided on individual bids, these statistics should match those that can be calculated from the bid details array.

array of BidsStatistic objects
details Bid details

An array of bids, providing information on the bidders, and where applicable, bid status, bid values and related documents. The extent to which this information can be disclosed varies from jurisdiction to jurisdiction.

array of Bid objects


The extension defines a new Bid object with these fields:

Field Title Description Type(s)
id ID

A local identifier for this bid

date Date

The date when this bid was received.

status Status

The status of the bid, drawn from the bidStatus codelist

string from closed bidStatus codelist
tenderers Tenderer

The party, or parties, responsible for this bid. This should provide a name and identifier, cross-referenced to an entry in the parties array at the top level of the release.

array of OrganizationReference objects
value Value

The total value of the bid.

Value object
documents Documents

All documents and attachments related to the bid and its evaluation.

array of Document objects