4.—(1) No British fishing boat is permitted, at any time, in any part of Welsh waters that lie within 3 nautical miles of the shore, (such distances being measured from baselines), to use a tow bar unless that tow bar complies with the requirements of paragraph (2);
(2) The requirements referred to in paragraph (1) are as follows:
(a)a tow bar must not exceed 3.8 metres in length, and
(b)where a tow bar is 3.8 metres or less in length, it must not be constructed in such a way as to enable more than 4 scallop dredges to be attached to it at the same time.
(3) No British fishing boat is permitted at any time, in any part of Welsh waters that lie beyond 3 nautical miles from the shore, (such distance being measured from baselines), to use a tow bar unless that tow bar complies with the requirements of paragraph (4);
(4) The requirements referred to in paragraph (3) are as follows:
(a)a tow bar must not exceed 7.6 metres in length, and
(b)where a tow bar is 7.6 metres or less in length, it must not be constructed in such a way as to enable more than 8 scallop dredges to be attached to it at the same time.