'This Brief announces a change of our interpretation which will apply where a company's SME status alters due to its being taken over by or merging or becoming associated or linked with any other enterprise on or after 1 December 2008. The change will affect companies making tax relief claims under the Research & Development and Vaccine Research Relief schemes.
'Background
'It has been the practice to accept that if a company is an SME at any time in an accounting...