4.—(1) The following provisions of this paragraph apply to the master, owner, agent or operator of vessels wishing to transit the bridge (and accordingly such persons must comply with any obligation expressed by reference to a vessel).
(2) Should a vessel require to revise a previously requested opening time, this must be made by way of an opening request revision complying with the following requirements—
(a)it is made via the communications facilities;
(b)it contains the revised opening time together with the information specified in paragraph 100(2)(a) and (c) to (f);
(c)it is made no later than 30 minutes prior to the originally requested opening time; and
(d)where it is made through written communications, the first line of text reads “opening request revision”.
(3) The undertaker must—
(a)acknowledge the opening request revision by the same means as it was given, within 10 minutes of receiving the request;
(b)provide a confirmation of approval or refusal of the requested revised opening time within 10 minutes of receipting the request; and
(c)where an opening revision request is refused, provide the following information—
(i)a reason for refusing the request; and
(ii)except in the case of exceptional circumstances, an alternative time for the vessel to transit the bridge.
Commencement Information
I1Sch. 10 para. 4 in force at 15.10.2020, see art. 1