Unless the equipment either bears the wheel mark or the administration considers it to be equivalent, it shall be replaced.

3.Unless the equipment either bears the wheel mark or the administration considers it to be equivalent, it shall be replaced.

The Commission shall carry out a cost-benefit analysis concerning the use of the electronic tag as a supplement to, or a replacement of, the wheel mark.

2.The Commission shall carry out a cost-benefit analysis concerning the use of the electronic tag as a supplement to, or a replacement of, the wheel mark.

Market surveillance may include documentary checks as well as checks of marine equipment which bears the wheel mark, whether or not it has been placed on board ships.