516. Provision of information and marking in regard to pressure systems.

Any person who:


    (1)     designs for another any pressure system1 or any article which is intended to be a component part thereof; or


    (2)     supplies (whether as manufacturer, importer or in any other capacity) any pressure system or any such article,

must provide sufficient written information2 concerning its design, construction, examination3, operation and maintenance as may reasonably foreseeably be needed to enable the provisions of the relevant regulations4 to be complied with5.

The employer of a person who modifies or repairs any pressure system must provide sufficient written information6 concerning the modification or repair as may reasonably foreseeably be needed to