Section 13: It shall be a condition of every licence or permit granted

Ot icence or under this Ordinance that such licence or permit may be revokedpermit. at any time by the Minister on his being satisfied that such licence or permit ought to be revoked. (2) Regulations made under this section may without prcjudice to the generality of the powcr conferrcd by subscction (1) of this section provide for the kecping of records of all experiments performed by any licensce under this Ordinance and for the render ing of returns in relation to any experiments performed under this Ordinance.