reg 20 Persons upon whom duties are imposed
(1) Where a person on whom a duty is imposed by any of the preceding provisions of these Regulations does not have control of the matter to which that provision relates because responsibility for the operation of the ship falls upon another person, that duty also extends to any other person who has control of that matter. (2) It is the duty of every worker performing activities to which these Regulations apply— (a) to make full and proper use of all personal protective equipment provided by the employer in pursuance of these Regulations, and (b) to give effect to all instructions and training provided under regulations 13 and 16.