4.—(1) A person who trades in a product that complies with the requirements of a Part of Schedule 3 specified in column 2 of the table in Part 1 of Schedule 3 must use the name of the product listed in the corresponding entry in column 1 of that table, in trade, as the name of the product.
(2) A person must not use a product name listed in column 1 of the table in Part 1 of Schedule 3, in trade, as the name of a product unless the product complies with the requirements for that product specified in the Part of Schedule 3 listed in the corresponding entry in column 2 of that table.
(3) Paragraph (2) does not prevent a product name being used, in trade, in addition to the name of another product if—
(a)the use of the product name in that way is in accordance with practices used to designate the other product; and
(b)the other product cannot be confused with a regulated product.