“Section 3 Taxable persons and registration (1) A person is a taxable person for the purposes of this Act while he is, or is required to be, registered under this Act. (2) Schedule 1 … shall have effect with respect to registration. Schedule 1 Liability to be registered (1) Subject to sub-paragraphs (3) to (7) below, a person who makes taxable supplies but is not registered under this Act becomes liable to be registered under this Schedule— (a) at the end of any month, if the person is UK-established and the value of his taxable supplies in the period of one year then ending has exceeded £[a figure which has changed over the years]; or … (3) A person does not become liable to be registered by virtue of sub-paragraph (1)(a) … above if the Commissioners are satisfied that the value of his taxable supplies in the period of one year beginning at the time at which, apart from this sub-paragraph, he would become liable to be registered will not exceed [a figure slightly lower than that in sub-paragraph (1)(a)]. … (7) In determining the value of a person’s supplies for the purposes of sub-paragraph (1) … above, supplies of goods or services that are capital assets of the business in the course or furtherance of which they are supplied and any taxable supplies which would not be taxable supplies apart from section 7(4) shall be disregarded. … (10) A person is “UK-established” if the person has a business establishment, or some other fixed establishment, in the United Kingdom in relation to a business carried on by the person. Notification of liability and registration (1) A person who becomes liable to be registered by virtue of paragraph 1(1)(a) above shall notify the Commissioners of the liability within 30 days of the end of the relevant month. (2) The Commissioners shall register any such person (whether or not he so notifies them) with effect from the end of the month following the relevant month or from such earlier date as may be agreed between them and him. (3) In this paragraph “the relevant month”, in relation to a person who becomes liable to be registered by virtue of paragraph 1(1)(a) above, means the month at the end of which he becomes liable to be so registered. Section 83 Appeals (1) Subject to sections 83G and 84 , an appeal shall lie to the tribunal with respect to any of the following matters— (a) the registration or cancellation of registration of any person under this Act;”