The finance act 2006 fa 2006 extended the provisions in the corporation tax acts concerning loss relief for groups of companies known as group relief prior to that act relief was available only to uk resident companies or companies with a permanent establishment in the uk following the european court of justices decision in marks and spencer plc v halsey hm . The group relief for overseas losses modification of the corporation tax acts for non resident insurance companies no 2 regulations 2006 explanatory memorandum sets out a brief statement of. Corporation tax the group relief for overseas losses modification of the corporation tax acts for non resident insurance companies no 2 regulations 2006 made 18th december 2006 laid before the house of commons 18th december 2006 coming into force 8th january 2007 the treasury in exercise of the powers conferred upon them by paragraph 162 to 5 of schedule 18a to the income . Corporation tax the group relief for overseas losses modification of the corporation tax acts for non resident insurance companies regulations 2008 made 7th october 2008 laid before the house of commons 7th october 2008 coming into force 28th october 2008 the treasury make the following regulations in exercise of the powers conferred by paragraphs 162 to 4 of schedule 18a to the . Corporation tax the group relief for overseas losses modification of the corporation tax acts for non resident insurance companies regulations 2006 made 4th december 2006 laid before the house of commons 5th december 2006 coming into force 26th december 2006 the treasury in exercise of the powers conferred upon them by paragraph 162 to 5 of schedule 1 to the finance