There are some Certificates/documents which are internationally recognized and have to be carried on board. These are checked/inspected by the port state control officer (PSCO) when he/she/they come on board. One of the following certificates does not have to be carried on board on tanker. Choose that certificate and mark it :

A
Document of compliance, Solas 74, Regulation II-2/54
B
Oil record book, Parts I and II
C
Cargo record book
D
Document of Authorization for the carriage of grain
E
Minimum safe manning document