A registered medical practitioner who takes a blood sample must ensure that—
(a) the sample of blood is placed into 2 dry containers, each containing approximately the same amount of blood; and
(b) each container is vacuum sealed or sealed with a septum seal; and
(c) each container in which the sample is placed bears a label stating—
(i) that the container holds a specific anticoagulant and preservative such as potassium oxalate and sodium fluoride; and
(ii) the name of the chemist, laboratory or pharmaceutical organisation that prepared the container; and
(d) each container has attached to it a label bearing—
(i) the signature of the registered medical practitioner; and
(ii) the date and the time the blood sample was taken; and
(iii) the name of the person from whom the sample was taken or, if the name of the person is not known, sufficient information to enable the sample to be identified with the person from whom it was taken; and
(iv) if known, the identification number or code enabling the sample to be identified by the laboratory or drug testing service; and
(e) the 2 containers are transported to a laboratory or drug testing service for analysis.