(1) Subject to any regulations under section 7 of this Act , or any provision made in a temporary class drug order by virtue of section 7A, for the time being in force, it shall not be lawful for a person—
(a) to produce a controlled drug; or
(b) to supply or offer to supply a controlled drug to another.
(2) Subject to section 28 of this Act, it is an offence for a person—
(a) to produce a controlled drug in contravention of subsection (1) above; or
(b) to be concerned in the production of such a drug in contravention of that subsection by another.
(3) Subject to section 28 of this Act, it is an offence for a person—
(a) to supply or offer to supply a controlled drug to another in contravention of subsection (1) above; or
(b) to be concerned in the supplying of such a drug to another in contravention of that subsection; or
(c) to be concerned in the making to another in contravention of that subsection of an offer to supply such a drug.