Guidance

Stamp Duty Land Tax: technical specifications

Technical specifications for Stamp Tax Online software developers.

Documents

SDLT baseline schema: 4.20

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Business rules: 1.30

Response messages version 2.7

SDLT test case data version 5.1

SDLT valid xml example version 1.6

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Details

Technical specifications for software developers working on the Stamp Tax Online service.

Published 1 January 2014
Last updated 1 April 2018 + show all updates
  1. Latest versions of business rules, response messages, how to use the test service, GovTalkHeader/IRheader rules, SDLT recognition process have been published as well as deleting the SDLT additional information document version1.5.
  2. Latest versions of Business rules and Response messages published.
  3. Latest versions of Business rules and Response messages published.
  4. First published.