20.—(1) Propagating material (other than mother plants) and fruit plants may be certified as certified material if the propagating material or fruit plant meets the requirements in sub-paragraph (2).
(2) The requirements are that the propagating material or fruit plant—
(a)is propagated from a certified mother plant that—
(i)has been grown from pre-basic material or basic material; and
(ii)has been grown in soil that is found, by sampling and testing, to comply with paragraph 23;
(b)has been verified by an inspector as being true to the description of its variety in accordance with paragraph 7;
(c)complies with the time period referred to in paragraph 8(4);
(d)complies with the requirements concerning defects in paragraph 12;
(e)complies with the health requirements in paragraph 22; and
(f)has been grown in soil that is found, by sampling and testing, to comply with paragraph 23.
(3) Where a certified mother plant or certified material no longer fulfils the requirements in sub-paragraphs (2)(b) to (f) the supplier must—
(a)remove the mother plant or material from the vicinity of other certified mother plants and certified material; or
(b)take appropriate measures to ensure that the mother plant or the material complies with those requirements again.
(4) A supplier may use any mother plant or material removed in accordance with paragraph (3)(a) as CAC material provided the mother plant or material fulfils the requirements in Schedule 1 for CAC material.
(5) For the purpose of this paragraph, any reference to pre-basic mother plants or to pre-basic material in paragraphs 7, 8(4) and 12 is to be construed as reference to certified mother plants or, as the case may be, to certified material.