Ultimately, though, compliance with any of the existing versions of OOXML is neither required nor relevant, said U.S. lawyer Andy Updegrove, who has closely watched the rivalry between the two formats since before their approval by ISO. The decision to mandate only ODF "is most significant for the degree of market adoption and legitimization it will necessarily lead to," he wrote in an email.
The requirement for compliance with the ODF and PDF standards takes effect immediately for new procurements, and the Government Digital Service will work with other departments on implementation plans for existing systems.
Peter Sayer covers open source software, European intellectual property legislation and general technology breaking news for IDG News Service. Send comments and news tips to Peter at email@example.com.