3.  Persons designated by a State other than the United Kingdom as auxiliary personnel for an inspection or evaluation carried out under the Vienna Document 1992 and performing administrative and technical services, or domestic services, shall enjoy, during their mission, the like privileges and immunities, as are accorded to or in respect of members of the administrative and technical staff or, as the case may be, of the service staff of a mission by the Diplomatic Privileges Act 1964.