5 Master's Responsibility and Authority
The Company should clearly define and document the master's responsibility with regard to:
implementing the safety and environmental-protection policy of the Company;
motivating the crew in the observation of that policy;
issuing appropriate orders and instructions in a clear and simple manner;
verifying that specified requirements are observed; and
element 5.2 of ISM code says - company should ensure that the SMS operating on board the ship contains a clear statement emphasizing the master's authority. the company should establish in the SMS that the master has the overriding authority and the responsibility to make decisions wrt safety and pollution prevention and to request the company's assistance as may be necessary.