16.—(1) A person shall not sell, or have in possession with a view to sale, for use as a feeding stuff or as a protein source in a feeding stuff, any material belonging to a product group specified in column 1 of Schedule 7, unless that material—
(a)is named as a permitted product in column 2 of that Schedule; and
(b)complies with all the specifications and requirements contained in and imposed in relation thereto by columns 3 to 7 of that Schedule.
(2) A person shall not sell, or have in possession with a view to sale, for use as a feeding stuff, or use as a feeding stuff, any product obtained from yeasts of the “Candida” variety cultivated on n-alkanes.