Collection

Stamp Taxes Online - support for software developers

Find technical specifications for software developers working with the Stamp Taxes Online service.

• From: HM Revenue & Customs
• Published: 1 January 2014

If you have questions about the specifications email SDSTeam@hmrc.gov.uk.

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  • 13 November 2024
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SDLT5 substitute technical

• Stamp Duty Land Tax: SDLT5 substitute technical specifications
  • 22 March 2018
  • Guidance

Published 1 January 2014