Law Enforcement: Narcotic Drugs Agreement signed at San Jose December 1, 1998; Entered into force November 19, 1999. Insurance industry representatives have informed us the stolen vehicle treaties provide discernible improvements in the cooperation of foreign authorities.San Jose Treaty provides a legal instrument meant to enhance cooperation between international partners with capacity at sea without. In collaboration with the Probation Officer conduct facetoface interactions in custody, home, or other sites in community for up to one year. (San Jose, Costa Rica, 7 - 9 November 2022 ). San Salvador, El Salvador. Country. Increasingly cooperative with the United States in its international law enforcement efforts. Engaging First-Line Supervisors in the Disciplinary Process in San Jose, California. See also: Federal and International Law Enforcement Agencies, Tribal Police Departments and Special Interest Associations.