Without prejudice to any other power conferred by the Customs and Excise Acts 1979, an officer may, subject to subsection (2) below, at any time enter upon the premises of any person licensed or permitted to keep a still under section 81 above and examine any still or retort kept or used by that person.

No officer shall exercise the powers conferred on him by subsection (1) above by night unless he is accompanied by a constable.