20. The label referred to in paragraph 16 —
(a)shall be —
(i)an adhesive label, or
(ii)a label secured to the package by a sealing device approved by the National Assembly for Wales, the Secretary of State, the Scottish Ministers or the Department of Agriculture and Rural Development, and
(b)shall be fixed to the package by —
(i)an authorised officer or any person being supervised by such a person, or
(ii)a licensed seed sampler or any person being supervised by such a National Assembly for Wales in that behalf or by or under the supervision of a licensed seed sampler.