Software developers: payroll test data 2023 to 2024
Find HMRC payroll test data for software developers.
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Payroll test data is for developers to use as part of their own testing routines and to check their software against HMRC guidance and specifications.
Updates to this page
Last updated 12 December 2023 + show all updates
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National Insurance test data examples version 1.1 has been replaced by version 2.0. The update includes examples of National Insurance changes from 6 January 2024.
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First published.