3. The Scottish Ministers may refuse to issue an official certificate in respect of a seed lot if it appears to them that—
(a)a sample taken from the seed lot for the purpose of an official examination to ascertain whether the seed lot meets the appropriate standards specified in Part II of Schedule 4 has not been taken in accordance with regulation 17(1);
(b)an official examination of a control plot or an examination of a post control plot, sown with a sample of the seed lot shows that the crop does not meet the appropriate standards specified in Part I of Schedule 4; or
(c)there has been any breach of seeds regulations in relation to the seed lot in respect of which the application for an official certificate has been made.