And the navigation rules what is the duty of the stand on boat?

The stand-on vessel has the duty to maintain its course and speed when encountering a give-way vessel, which is required to take action to avoid a collision. The stand-on vessel should be prepared to take evasive action if it becomes apparent that a collision cannot be avoided. It is essential for the stand-on vessel to remain aware of its surroundings and communicate its intentions if necessary. Overall, the stand-on vessel should prioritize safety while following the navigation rules.