[F1Article 801 U.K.
1. The application for an authorisation to build in a free zone shall be made in writing.
2. The application referred to in paragraph 1 shall specify the activity for which the building will be used and give any other information that will enable the customs authorities designated by the Member States to evaluate the grounds for granting the authorisation.
3. The competent customs authorities shall grant authorisation in cases where the application of customs rules would not be impeded.
4. Paragraphs 1, 2 and 3 shall also apply where a building in a free zone or a building constituting a free warehouse is converted.]