Article 19U.K.Persons subject to controls
1.Natural or legal persons and groups of such persons whose professional activities may be the subject of the controls referred to in this Regulation shall not obstruct such controls and shall be required to facilitate them at all times.
2.Cultivators of vines from which grapes are taken by officials of a competent body:
may not impede such collection in any way, and
must provide these officials with all the information required under this Regulation.