RTI technical specifications updated

27 July 2016

The RTI technical specifications have now been updated with version 1.0 of the RTI RIM Artefacts for 2017-18, and the updated 2016-17 RTI RIM Artefacts version 2.2, along with the associated changes documents. The specifications also now include a new 2017-18 RTI Data Items guide.

Please note that this update does not include any changes to validations relating to the ‘KC’ National Insurance number prefix. HMRC’s SDST will provide more information on this as soon as they can.

The test services will be updated in October 2016 and the live service for the beginning of the 2017-18 tax year.

For full details, see Real Time Information Online: support for software developers.