Those laws can only be in respect of any or all of the following
(a) the safety of navigation and the regulation of maritime traffic, as provided in article 41;
(b) the prevention, reduction and control of pollution, by giving effect to applicable international regulations regarding the discharge of oil, oily wastes and other noxious substances in the strait;
(c) with respect to fishing vessels, the prevention of fishing, including the stowage of fishing gear;
(d) the loading or unloading of any commodity, currency or person in contravention of the customs, fiscal, immigration or sanitary laws and regulations of States bordering straits.
https://forums.overclockers.co.uk/posts/32845214/