19.—The Minister may make regulations (in this Act referred to as the general regulations for the marking of preserved eggs) in relation to all or any of the following matters, that is to say:—
(a) the marks to be borne on eggs sent or consigned to or removed from any premises registered in the register of preservers;
(b) the mode in and the means by which such marks are to be placed on such eggs;
and different marks may be prescribed in respect of different classes of eggs with the object of indicating the manner in which such eggs are intended to be or have been treated in such premises.