4.1 An inherently buoyant lifejacket shall be marked indelibly with:
4.1.1 the manufacturer’s name or trade mark and name of lifejacket, if any;
4.1.2 the words “PERSON OF 32 KG. OR MORE” on both sides of the lifejacket in letters not less than 12 mm in size in the case of lifejackets which can be worn inside out. In the case of lifejackets which can only be worn one way the marking shall be on the outside of the lifejacket;
4.1.3 the words “DOT (UK) APPROVED” in letters not less than 12 mm in size;
4.1.4 the year of manufacture; and
4.1.5 the word “FRONT” on both sides of the front part of the lifejacket in letters not less than 12 mm in size in the case of lifejackets which can be worn inside out. In the case of lifejackets which can only be worn one way the markings shall be on the outside of the front part of the lifejacket.