Domestic only, I believe. If the owner wants to trade internationally, they can apply for international class certificates and an IMO number!

Thanks Phil, that helps. Are such ships confined to domestic/coastal waters only or can they also trade internationally (Taiwan, North Korea?)

HAI XIN YOU 618
MMSI 413454640
CALLSIGN BLET
OFFICIAL NO CN20126053163
DWT 17527
GT 12045
BUILT 9/2014, ZHEJIANG HAICHANG SB
LOA 151.80
BEAM 24.40
DRAFT 8.60
CCS DOMESTIC CLASS - ★CSMD Near Northeast area; Ice-b navigation; double hull oil tanker flash point ≤ 60 ★CSAD

Brgds
Phil