The Office of the Revenue Commissioners, (Irish: Oifig na gCoimisinéirí Ioncaim) – now called simply Revenue – is the Irish Government tax & customs agency responsible for customs, excise, taxation and related matters within the Republic of Ireland.

An Request For Interest (RFI) for XBRL Software has been published on the Irish Government tenders website on the link:  http://www.etenders.gov.ie/search/show/search_view.aspx?ID=APR216435&catID=13

The following standard requirements for any software used in Revenue also apply:

6.- Revenue make extensive use of Open Source Software, and encourage responses implementing a partially or completely Open Source solution