“The assessments for 07/07 to 01/09 were made on6 November 2009 . The two year limitation in section 73(6) means that the assessments for periods ending after6 November 2007 were in time. However the periods 07/07 and 10/07 fall more than two years before the date of that assessment. As a result an assessment for any of those periods is permitted only if it falls within section 73(6)(b) ie if it was made within 12 months after facts sufficient to make the assessments came to the Commissioners attention. The only facts relevant to these assessments appear to us to be those collected on the visit of6 November 2007 (since after that date it appears that the only additional information obtained by HMRC was the failure or inability of the appellant to produce any records). That was more than 12 months before the date of this assessment. These two assessments therefore appear unlawful.”