Under Article 19 of the UNCLOS III it is defined “Passage is innocent so long as it is not prejudicial to the peace, good order or security of the coastal State.” Such passage shall take place in conformity with this Convention and with other rules of international law. The right of innocent passage of foreign ships through the territorial waters of a coastal state is one of the oldest and most universally recognized rules of public international law.
Article 19 defines Innocent Passage “Passage is innocent so long as it is not prejudicial to the peace, good order or security of the coastal State.”