Manufacturers shall ensure that:

1. (a)

   hydrogen components and systems function in a correct and safe way and reliably withstand electrical, mechanical, thermal and chemical operating conditions without leaking or visibly deforming;

2. (b)

   hydrogen systems are protected against over-pressurisation;

3. (c)

   the materials used for those parts of the hydrogen components and systems which are to be in direct contact with hydrogen are compatible with hydrogen;

4. (d)

   hydrogen components and systems reliably withstand expected temperatures and pressures during their expected lifetime;

5. (e)

   hydrogen components and systems reliably withstand the range of operating temperatures laid down in the implementing measures;

6. (f)

   hydrogen components are marked in accordance with the implementing measures;

7. (g)

   hydrogen components with directional flow have the flow direction clearly indicated;

8. (h)

   hydrogen components and systems are designed in such a way that they can be installed in accordance with the requirements of Annex VI.