BELTREP Ship reporting system is mandatory for:
Ships with a gross tonnage of 50 and above.
All ships with an air draught of 15 m or more.
Pleasure craft with a length less than 15 m or with a gross tonnage less than 50 are exempted from participation.
IMO Res. MSC 332(90)
BEK nr. 820 af 26/06/2013, BELTREP