Section 19(e) in Prevention Of Collision On National Waterways Regulations, 2002
(e)Except where it has been determined that risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel or which cannot avoid a close-quarters situation with another vessel forward of her beam, shall reduce her speed, she shall if necessary take all her way off and in any event navigable with extreme caution until danger of collision is over.
