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updated 14 May 2013
Get the latest updates - technical specifications may change frequently
On this page:
Government Gateway technical pack
All applications submitting extensible Markup Language must comply with
this protocol to communicate via the Government Gateway.
HMRC IRmark technical pack
Technical specifications and examples of the generic IRmark.
Stamp taxes help chart
version 1.1 (PDF 19K)
Guidance and helplines for Stamp Duty Land Tax online customers
How to use the test services version
2.3.1 (PDF 40K)
Version date 23 June 2010
SDLT baseline schema version
4.17 (ZIP 10K)
Version date 21 March 2013
Business rules version 1.26
(ZIP 909K)
Version date 19 March 2013
Response messages version
2.3e (ZIP 192K)
Version date 19 March 2013
GovTalkHeader
& IRheader business rules version 1.2 (PDF 75K)
Version date 3 April 2007
SDLT test case data version
5.0 (ZIP 58K)
Version date 21 October 2011
SDLT valid XML example version
1.6
Version date 16 December 2009
SDLT recognition process version
1.1 (PDF 40K)
Version date 23 June 2010
SDLT additional information
version 1.5 (PDF 23K)
Version date 23 June 2010
Electronic SDLT5 design guidelines
version 1.4.1 (PDF 49K)
Version date 23 June 2010
Substitute SDLT5 version 1.0 (PDF 344K)
Version date 1 September 2006
Substitute SDLT5 (continuation sheet)
version 1.0 (PDF 342K)
Version date 1 September 2006
Simplified version version
1.1 (PDF 15K)
Version date 21 September 2006
Simplified version (continuation
sheet) version 1.0 (PDF 13K)
Version date 18 September 2006
