BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.

Correct Answer: Option A — if the bearing of an approaching vessel does not appreciably change

Under Inland Navigation Rules, for the condition where 'The Rules state that risk of collision shall be deemed to exist', the correct requirement is: 'if the bearing of an approaching vessel does not appreciably change'. This standard ensures clear navigational intent and collision avoidance.