Paragraph 3
Every such lifejacket shall also comply with the following requirements:—
it shall be so constructed as to eliminate as far as possible all risk of its being put on incorrectly and it shall be capable of being worn inside out;
it shall turn the wearer on entering still water to a safe floating position within 5 seconds with the body inclined backwards from its vertical floating position and shall support the head of the conscious or unconscious wearer so that the mouth shall not be less than 150 millimetres above the water;
it shall not be adversely affected by oil or oil products;
it shall be of a highly visible colour;
it shall be fitted with a ring or loop or similar device of adequate strength to facilitate rescue;
it shall be made of materials of low flammability and the fabric with which it is covered and its tapes shall be rotproof;
it shall be fitted with an approved whistle firmly attached by a lanyard;
it shall have fastening tapes securely attached to the lifejacket cover and capable of taking a load of 140 kilogrammes. The method of fastening the tapes shall be such as to be easily understood and capable of being readily carried out. Metal fastening when used shall be of a size and strength consistent with the fastening tapes and of corrosion resistant material; and
it shall allow the wearer to jump a vertical distance of 6 metres into the water without injury and without dislodgment of the lifejacket.