Guidance

Software developers: payroll test data 2026 to 2027

Find HMRC payroll test data for software developers.

From:
HM Revenue & Customs
Published
19 January 2026
Last updated
20 January 2026 — See all updates

Documents

Paye tax v1.0v1.1

ZIP, 59.678.3 KB

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National Insurance v1.0

ZIP, 117 KB

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Student Loan v1.0

ODS, 9.92 KB

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Details

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

Published 19 January 2026
Last updated 20 January 2026 href="#full-history">+ show all updates

  1. The test data examples PAYE Tax v1.1 have been added.

  2. First published.

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