Detailed:
The first four digits of the customs ship number are the year, the middle two digits are the local customs number, and the last four digits are the serial number when the ship is declared.
For example: 20 15020485
Supplement: What's the ship number?
The ship number is the number of the ship. At present, China has two numbering systems:
1. Adopt the International Maritime Organization, which is the full name of international maritime affairs.
Lloyd's ship registration number designated by the International Maritime Organization (IMO). The IMO number is the registration number given to the ship by the IMO. When the shipowner registers a new ship with IMO,
Wait, IMO will give the ship the corresponding identity authentication. In general, international seagoing ships registered by IMO usually have IMO numbers, which are equivalent to an internationally accepted ship ID number.
2. Domestic sailing ships, including domestic coastal ships, do not need to go to foreign ports, have little contact with maritime departments of other countries, do not need to register with IMO, and may not have IMO numbers. Generally, the unified number issued by the local ship inspection bureau or maritime bureau is used.