600.This section defines certain expressions used in section 306. Subsection (2) defines “drug” to mean either a controlled drug (within the meaning of the Misuse of Drugs Act 1971) or any other drug specified by the Secretary of State.
601.Subsection (3) provides that “sample” means a sample of urine or breath where it is required to test for alcohol; that it means a sample of urine where it is required to test for drugs; and that, in either case, it includes any other sample specified by the Secretary of State by order.
602.Subsections (4) and (5) provide that the Secretary of State may not specify an invasive sample, such as blood or semen, under subsection (3), and that the person being tested must consent to the taking of any sample so specified by the Secretary of State.