The manufacturer, or his authorised representative established within the Community, must ensure that the declaration of conformity and certificate of conformity issued by the notified body can be made available on request.

In particular, the notified body must:

• examine the technical documentation with respect to the design and the manufacturing procedures,

• assess the materials used where these are not in conformity with the relevant provisions of Part 4 of these Regulations and check the certificate issued by the materials manufacturer,

• approve the procedures for the permanent joining of pressure equipment parts,

• verify the qualifications or approvals required,

• perform the final inspection, perform the proof test or have it performed and examine the safety devices if applicable.