7.—(1) In this Article “young person” means a person under the age of 18 who has attained the age of 16.
(2) The Chief Constable may grant a firearm certificate to a young person if—
(a)each firearm to which it relates is—
(i)an air gun to which paragraph (4) applies;
(ii)a shotgun; or
(iii)a .22 rimfire rifle that is to say of a calibre not exceeding 5.59 millimetres; and
(b)the Chief Constable attaches a condition under Article 6(1) that the firearm and any ammunition for it to which the certificate relates are for the purpose of—
(i)pest control; or
(ii)the protection of livestock;
on agricultural land occupied by the holder or on which he works and also resides.
(3) The Chief Constable may grant a firearm certificate to a young person if—
(a)each firearm to which it relates is—
(i)an air gun to which paragraph (4) applies; or
(ii)a shotgun; and
(b)the Chief Constable attaches a condition under Article 6(1) that the holder shall have the firearm and any ammunition for it to which the certificate relates in his possession only—
(i)for sporting purposes; and
(ii)for a specified period of at least 12 months under the supervision of a person who has attained the age of 21 and has held a firearm certificate for a firearm of that type for at least three years.
(4) This paragraph applies to an air gun which is capable of discharging a missile so that the missile has, on being discharged, a kinetic energy in excess of one joule.