16.—(1) All seed, other than loose sales (for which see Part 5 of Schedule 3) must be supplied in a sealed package by a person licensed to do so under regulation 20.
(2) The packaged seed must be in homogeneous lots.
(3) A package must be sealed by or under the supervision of a licensed seed sampler.
(4) It must either have a non-re-useable sealing system or be sealed in such a manner that opening the package—
(a)damages the sealing system; or
(b)leaves evidence of tampering on either the label or the package.
(5) If a package is opened other than by the final consumer it must be re-labelled and re-sealed by or under the supervision of a licensed seed sampler, and the fact of resealing, the most recent date of resealing and the authority responsible for it must be stated on the label.
(6) This regulation does not apply in relation to the marketing of small packages of seed as defined in Schedule 3.