Guidance

HMRC IRmark: generic IRmark specification

Guidance for software developers on the IRmark.

• From: HM Revenue & Customs
• Published: 14 June 2005

Documents

Generic IRmark specification

PDF, 123 KB, 9 pages

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Details

The IRmark is a software program that helps the taxpayer prove whether the online submission held by HMRC is correct.

Published 14 June 2005