25.—(1) Subject to paragraph (2), no person shall seal a package of —
(a)officially certified pre-basic, basic, CS, C1, C2 or commercial seed, or
(b)a mixture of seeds to which regulation 22 applies,
except a person to whom paragraph (5) applies.
(2) Paragraph (1) shall not apply in the case of —
(a)a small EC A or B package of a mixture of seeds to which regulation 22 applies, or
(b)a small EC B package of officially certified basic, CS, C1, C2 or commercial seed.
(3) Subject to paragraph (4), no person shall reseal a package of —
(a)officially certified pre-basic, basic, CS, C1, C2 or commercial seed, or
(b)a mixture of seeds to which regulation 22 applies,
except a person to whom paragraph (5) applies.
(4) Paragraph (3) shall not apply where a package has been resealed that had previously been opened by the final consumer of the seed for the purpose of using some of the seed in the package.
(5) This paragraph applies to —
(a)an authorised officer and any person being supervised by such a person, and
(b)a licensed seed sampler and any person being supervised by such a person.