Important:
- To claim the R&D tax credit, you must submit a detailed statement online.
- In most instances, the last date for submitting a detailed statement was April 30 2010. Find out more
Correcting errors on your detailed statement
If you make an error on your detailed statement
More information will be available here from late 2008.
Find out more
- Penalties and use-of-money interest
- Disputing our assessment of your R&D tax credit claim
- General information about penalties and interest
Date published: 20 Jul 2009
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