A flag State administration may permit marine equipment which does not comply with the conformity assessment procedures or which is not covered by Article 30 to be placed on board an EU ship for reasons of testing or evaluation, if the following cumulative conditions are complied with:
the marine equipment shall be given a certificate by the flag Member State which shall at all times be carried with the equipment, state that Member State’s permission for the equipment to be placed on board the EU ship, impose all necessary restrictions and lay down any other appropriate provisions as regards the use of the equipment concerned;
the permission shall be limited to the period considered by the flag State as being necessary to complete the testing, which should be as short as possible;
the marine equipment shall not be relied on in place of equipment which meets the requirements of this Directive and shall not replace such equipment, which shall remain on board the EU ship in working order and ready for immediate use.