(1) Production, processing and holding of excisable products where the excise duty has not been paid, shall only take place in a tax warehouse.
(2) A person approved by the Commissioners under this section may produce, process, hold, receive or dispatch on premises approved by them under this section in relation to him, excisable products without payment of duty (and such person and such premises are hereafter in this section referred to as an "authorised warehousekeeper" and "tax warehouse", respectively).
(3) A person shall not be approved as an authorised warehousekeeper under this section unless he appears to the Commissioners to satisfy such requirements for approval as they may think fit to impose.
(4) A premises shall not be approved as a tax warehouse under this section unless -
(a) it is used, or intended for use, for the production, processing, holding, receipt or dispatch of excisable products, and
(b) where it is used for the production or processing of excisable produ