Article 1 :Jurisdiction
In addition to the realm of land, inland waters, its islands in the Persian Gulf, Hormoz Strait and Oman Sea the Islamic Republic of Iran has jurisdiction over an area of the waters connected to the Sea-board called "Territorial Waters".
This jurisdiction includes upper space, sea-bed and under sea-bed as well.
Article 2: External Limit
The width of territorial waters is 12 nautical mile from the sea-board. Nautical mile equals to 1852 meters. The islands belonging to Iran whether located in or out of the realm of the territorial waters, subject to the present Law, possesses its own particular territorial waters.
Article 3: Sea-board
The sea-board has calculating the territorial water in the Persian Gulf and Oman Sea is the same sea-board identified in terms of the Decree No. 2/250-67 dated on July 1973 of the council of ministers (the Decree is attached to the present Law). The criterion (for calculating the territorial waters) of the realm in the other areas and islands is the lowest point of ebb-tide along the shore.
The waters existing between the sea-board of the territorial waters and the land realm; and also the waters existing among the islands belonging to Iran; that their distance from each other does not exceed twice as much the width of the territorial waters, are considered to be a part of the territorial waters and are within the jurisdiction of the Islamic Republic of Iran.
Article 4: Fixing the Boundaries
In case of any interference between the territorial waters: of Iran and the territorial waters of the neighbouring countries or an opposite country, so long us there is not any mutually agreed measures, the interval limit between the territorial waters of Iran and the beneficianry country is the dividing line that its all points should be the same distance from the nearest points of the two parties' sea-board.
Article 5: Harmless passing
Except to the provisions of the article (9), harmless passing of foreign vessels form the territorial waters of Iran, so long as it is not a disturbing cause to the discipline, tranquility and security of the country, is subject to the terms of "harmless passing".
Except to the emergency state, passing (from the territorial waters) should be done in a usual speed and without any interruption.
Article 6: Terms of harmless passing
The pass of foreign vessels, in case of embarking on any of the following actions, is not considered to be harmless one and then will be subject to the terms of criminal and civil regulations.
A) any kind fo threats or exercizing force against the jurisdiction, territorial jurisdiction and soverienity of the Islamic Republic of Iran or acting in any form when violate the principles of internation law.
B) Embarking on any kindof practices or manoeuvres with any kind of weapons.
C) Collecting any kind of information which is harmful to the national security, defence affairs, or the economic interests of the country.
D) Any kind of propaganda which aims to disturb the national security, defence affairs or economic interests of the country.
E) Taking off, landing and transferring any kind of planes, helicopters, army instruments and force to the other vessels and sea-shore.
F) Transportation of persons, loading or unloading any kind of commodities and money contrary to the law and regulations of the Islamic Republic of Iran.
G) Causing any kind of marine environment pollution
H) Any kind of operations on fishing and exploitation of marine resources.
I) Conducting any kind of scientific research, topography, seismography and sampling.
J) Causing disturbance in the communication systems or in the other facilities of the country.
K) Any kind of accomplishments which do not necessitate the pass of ship.
Article 7: Supplementary regulations
In order to secure the interests of the country and goodness of executing harmless passing, the government of the Islamic Republic of Iran will enact other essential regulations with respect to any case.
Article 8: Suspension of harmless passing
In order to defy the security of the country, and referring to the high interests of the country, the government of the Islamic Republic of Iran can suspend the pass and stay of all foreign vessels in a number of areas of the territorial waters.
Article 9: Exceptions to the harmless passing
Passing of warships, submarines, ships containing nuclear fuel or any other kind of floating, and ships and submarines carrying nuclear, or other dangerous or harmful materials with respect to the protection of environment, and also other foreign fishing vessels from the territorial waters is subject to an earlier approval of the authoritative officials of the Islamic Republic of Iran. Submarines have to pass over the sea while raising their flag up.