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international law

international trade

International trade refers to commerce that occurs across national borders. An illustrative example is the importation and exportation of goods and services across national borders. The term international trade may also include foreign direct investments, especially in cases where the foreign investment impacts trade in goods and services. 

jus cogens

Jus cogens, or compelling law, refers to a category of norms that govern customary international law. The Latin term is used interchangeably with the English term “peremptory norm”. 

Jus cogens norms differ from other norms in two key respects. 

letter of request

Letter of request is a formal judicial document issued by a court in one country asking a court in another country to carry out a specific judicial act, most commonly to obtain evidence or serve process abroad.

letters rogatory

Letters rogatory are the means by which a court in one country requests the judicial assistance of a court of a foreign country. Generally, the requests are to assist with service of process or the production of evidence located in the foreign country. For example, a German court may send a letter rogatory to a United States court requesting that the United States court take the testimony of a witness residing within the court's jurisdiction and transmit a transcript to the German court.

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