In this part—
"discharge offence" means an offence against section 61 (1) .
"noxious liquid substance" has the meaning it has in part 5 .
"oil" has the meaning it has in part 4 .
"transfer apparatus" , for a ship, means apparatus used in the transfer of a
pollutant between a ship and another ship or place.
"transfer operation" , for a ship, means any operation involved in preparing
for, or starting, carrying on or finishing, a transfer of a pollutant between
a ship and another ship or place.