In regular turn. (Also In usual turn). "Turn" refers to the sequence in which the port authorities may allow a ship to enter or berth for loading or discharging. In the case of The Themistocles, 1949, the judge described the meaning of the phrase:

I.M.O.The International Maritime Organisation, a specialised agency of the United Nations, deals mainly with the safety of navigation and the prevention of pollution of the marine environment. The influence of the I.M.O on chartering is not very large, except with references to the clauses in charterparties requiring compliance by ships with anti-pollution measures.

Indemnity: The person suffering from loss must be restored to the financial position in which he was just before the loss. In principle, no “profit” should be made.

I.L.O. Convention 32 clause. The International Labour Organisation, an agency of the United Nations, is concerned with the safety of working conditions in a variety of fields, the maritime industry being one. 

Intaken measure. This expression can occur especially in charterparties for timber.

INTERCO 80. This is the codename given to the Tanker Contract of Affreightment (CoA) issued in October 1980 by INTERTANKO, the International Association of Independent Tanker Owners, based in Oslo, Norway. INTERCO is also "adopted" by BIMCO.

Implied obligation related to deviation. "Deviation" is customarily considered to be an unreasonable departure from the usual route for a contractual voyage and a return to that route.

Intermodalism. This word is particularly related to the provision of transport services where more than one mode of transport is used. Even in the early days of transport, the carriage of goods may be considered to have been intermodal, e.g., from the factory to the port and then from the discharging port to the consumer’s premises, but the cargo owners had to make separate contracts with carriers on each mode.

Jason clause. (Also New Jason Clause and Amended Jason clause).

International Container Bureau (BIC). This organisation was formed in 1933 under the auspices of the International Chamber of Commerce (ICC), and is based in Paris.

ISO Standards. The “International Organisation for Standardisation”, based in Geneva, Switzerland, establishes international standards in nearly all fields of technology such as shipbuilding, road vehicles, aircraft, documentation, packaging, etc.

JTT (Just in time). This is a concept connected with manufacturing or purchasing goods for manufacture or sale and distribution.

Incorrect date (Fraud and bills of lading). A modern case may help to introduce the problems that can arise and identify some of the important issues. A sale contract requires the cargo to be loaded and bills of lading to be dated no later than 15 July.

Incorporation. When certain phrases, terms or words in one document are merged into a contract the former are said to be "incorporated" into the latter to make one complete "whole".

Nautical mile. This is the unit of distance used at sea. It is the length of one minute of latitude and this varies from the equator to the poles. For convenience a standard nautical mile is assumed to be 1,852 metres or 6,080 feet, which is the true length of a nautical mile in about latitude 52 degrees.