1.—(1) Any person who sells, supplies or stores a pesticide shall—
(a)take all reasonable precautions, particularly with regard to storage and transport, to protect the health of human beings, creatures and plants and to safeguard the environment;
(b)be competent for the duties which he is called upon to perform.
(2) No person shall sell or supply a pesticide approved for agricultural use, or store such a pesticide for the purpose of sale or supply, unless he has obtained a certificate of competence recognised by the Ministers, or he sells, supplies or stores that pesticide under the direct supervision of a person who holds such a certificate.