" make special provision for such taxable supplies by retailers of any goods or of any description of goods or of services or any description of services as may be determined by or under the regulations and, in particular: (a) for permitting the value which is to be taken as the value of the supplies in any prescribed accounting period or part thereof to be determined, subject to any limitations or restrictions, by such method or one of such methods as may have been described in any notice published by the Commissioners in pursuance of the regulations and not withdrawn by a further notice or as may be agreed with the Commissioners; … "
“ The purpose [of scheme B] is clear and the aim is to produce a figure which is as accurate as possible consistent with the simplicity of the method employed by the scheme. ”
“ You can only use the scheme if your total tax exclusive turnover from retail sales does not exceed£1 million ”
“ You cannot use Direct Calculation scheme (1) if your annual tax exclusive retail turnover exceeds£1 million . ”
“ … You must use the scheme for 12 months, unless: · You become ineligible for the scheme you are using or · We allow or require an earlier change. If you become ineligible you must cease to use the scheme from the end of the next complete accounting period. ”
“ Calculated zero rated mark up being used for groceries at 20%. This percentage being used by accountant to calculate output tax. ”