(1)  An approved operator, who sealed a container in accordance with regulation 11(e) into which part of a sample of oral fluid was placed under that regulation, is to label each container so sealed with –

(a) the initials of the person from whom the sample was taken; and

(b) the date and time when the sample was taken; and

(c) the initials of the approved operator.

(2)  In addition to subregulation (1) , an approved operator is to label one container of a sample of oral fluid, sealed in accordance with regulation 11(e) , with the word “Control”.