16. Regulations 11, 12 and 15 do not apply to a sale by retail of a quantity of less than 50 kilogrammes of pre-basic seed potatoes or basic seed potatoes—
(a)if, at the time of sale, there is displayed conspicuously on or in close proximity to the seed potatoes a statement of the particulars set out in regulation 15; or
(b)in new containers, upon each of which is printed or otherwise legibly and indelibly marked the particulars set out in regulation 15, or attached to or inserted in each of which is a label marked with those particulars.