27.—(1) All solid fuel, except peat and wood whose basic characteristics have not been altered by any industrial process and which do not form an admixture with other solid fuels, shall be sold by weight, except where by written consent of the purchaser another means of determining the quantity for sale is agreed.
(2) A container containing such solid fuel which has in the course of carrying on a business either been made up in the State or imported and which—
(a) has been made up other than in the presence of the person purchasing the container, and
(b) is a container the contents of which, or any part of such contents, cannot be removed without opening it,
shall have expressed thereon in units of mass the quantity of the goods contained in such container.
(3) A seller of such solid fuel sold loose or in a container other than that described in subsection (2), shall give to the purchaser at the time of sale a document which must, at least, contain a statement of the quantity sold.
(4) Any person who sells such solid fuel otherwise than is provided for in subsections (1), (2) and (3), shall be guilty of an offence.
(5) The provisions of subsection (2) shall not have effect until 6 months after the commencement of this Act.