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Get the latest updates - technical specifications may change
frequently
On this page:
Gateway
document submission protocol version 3.1 (PDF 612K)
Version date 6 March 2008
How to use the test service
version 1.0 (PDF 46K)
Version date 24 October 2011
Non form validation rules version 1.2 (ZIP 29K)
Version date 25 October 2011
HMRC IRmark technical pack
version 1.0
Version date 14 June 2004
Test in Live information
version 1.0 (PDF 24K)
Version date 24 October 2011
Acceptable characters
version 1.0 (PDF 16K)
Version date 24 October 2011
Copy declaration version
1.0 (PDF 11K)
Version date 24 October 2011
Attachment recognition version - documents to follow
Local Test Service (LTS) and
LTS Update Manager (LTSUM)
Use this tool to test your software against HM Revenue &
Customs rules within your own environment
Self Assessment individual
RIM artefacts version 1.0 (ZIP 6.5MB)
Version date 30 September 2011
Tax and National Insurance
contributions calculations version 1.1 (ZIP 149K)
Version date 8 July 2011
Test case generator version 1.2 (ZIP 432K)
Version date 01 December 2011
MTR mapping document version
3.0 (ZIP 20K)
Version date 06 January 2012
Specials version 2.0 (PDF 88K)
Version date 15 December 2011
Exclusions version 2.0 (PDF 38K)
Version date 15 December 2011
Recognition process and additional test case data - documents to follow
Individual valid sample - documents to follow
Partnership RIM artefacts
version 1.0 (ZIP 5.4MB)
Version date 30 September 2011
Specials and exclusions version
2.0 (PDF 74K)
Version date 15 December 2011
Test cases version 2.0 (ZIP 44K)
Version date 06 October 2011
Recognition process –documents to follow
Partnership valid sample - documents to follow
Trust RIM artefacts version
1.0 (ZIP 1.6MB)
Version date 30 September 2011
Validation
rules for trusts version 2.0 (ZIP 62K)
Version date 11 August 2011
Trust long tax
and National Insurance contributions Calculation version 1.0
(ZIP 49K)
Version date 28 June 2011
Trust calculator version
1.0 (ZIP 92K)
Version date 19 July 2011
Specials and exclusions version
1.0 (PDF 73K)
Version date 09 August 2011
Test cases version 2.0 (ZIP 23K)
Version date 10 November 2011
Recognition process-documents to follow
Trust valid sample - documents to follow
Specifications for the following years are still available -
Self Assessment technical pack 2011
Self Assessment technical pack 2010
Self Assessment technical pack 2009
Self Assessment technical pack 2008
