5. Any haulier collecting milk or milk products on behalf of a purchaser must keep, and retain for the relevant period, records comprising details of all quantities of milk or milk products so collected, showing —
(a)the time and date of collection from each producer;
(b)the time and date of sampling of the milk or milk products of each producer;
(c)the identity of the producer concerned;
(d)the volume of milk collected (including a copy of the tanker receipt in the cases referred to in paragraphs 2(2)(c) and 3(g));
(e)the identity of the purchaser concerned,
(f)the volume of milk delivered, and the name and address of each reception site;
(g)the sources of all the milk carried on each tanker; and
(h)details of any malfunction in any equipment used by him or her.