Exam Question

Pumping of Machinery Space Bilges and Disposal of Oil/Sludge Residues
To protect the environment from the adverse effects of pollution, many nations worldwide came together to form the International Maritime Organization (IMO), which has established various conventions. The main convention, MARPOL, was founded in 1973 and came into effect in 1978. Since then, a series of protocols have been released and amended to the convention, further improving prevention measures, and the norms have gradually become stricter.
Here are the guidelines for the discharge and disposal of oily mixtures and residues:
(a) When outside the twelve-mile limit and not in a special area