1.Collectors shall record separately, by farming method and by day:
(a)the quantity of eggs collected, broken down by producer, giving the name, address and producer code, and the laying date or period;
(b)the quantity of eggs delivered to the relevant packing centres, broken down by producer, giving the name, address, packing centre code and the laying date or period.
2.For the purposes of this Article, instead of keeping records of sales and deliveries, collectors may keep files of invoices and delivery notes marked as indicated in paragraph 1.