Guidance: Payroll technical specifications: National Insurance

Published 1 January 2014
Last updated 10 September 2021 + show all updates

10 September 2021
The 2021 to 2022 National Insurance guidance for software developers has been added.
4 August 2020
The 2020 to 2021 National Insurance guidance for software developers has been added.
29 January 2019
The 2019 to 2020 National Insurance guidance for software developers has been added.
17 January 2018
The December 2017 version of the NI Guidance for Software Developers specification has been replaced with the January 2018 version.
3 January 2018
The 2018 to 2019 National Insurance guidance for software developers has been added.
23 December 2016
NI guidance for software developers (2017 to 2018) has been published
6 January 2016
The National Insurance guidance for software developers (2016 to 2017) attachment has been added to the page.
28 January 2015
Example 4 (pages 38 to 41) revised January 2015.
1 January 2014
First published.