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End-of-year arrangements Our offices and phone lines will close down over the holiday season, but our website, self-service 0800 number and myIR will remain available. Find out more

We've upgraded our voice system You may notice some changes the next time you call us. Find out more

Find out about imputation credits and the impact R&D losses have on these and how loss recovery events relate to the R&D loss tax credit.

Last updated: 28 Apr 2021
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