6.—(1) Where any net to which this article applies is constructed wholly or in part in the codend, extension piece or square mesh panel of multiple twine netting, the sum of the thicknesses of the multiple twines on any side of any mesh shall not exceed 10 millimetres.
(2) Where any net to which this article applies is carried or used for the purposes of fishing for Norway lobsters the codend, extension piece and any square mesh panel shall be constructed of single twine of a thickness not exceeding 4 millimetres.