Confiscation certificates issued by another Member State are recognized and executed in accordance with rules and procedures set forth by Regulation 2018/1805. In other cases, articles 659 ff. of the Code of Criminal Procedure concerning requests for enforcement of foreign decisions of confiscation or restitution apply. The facts underlying the request must be sanctioned under Luxembourg law and the law of the requesting State by a maximum prison sentence of at least one year. > Unless an international convention is applicable, in particular one of the following: - European Convention on mutual assistance in criminal matters of 20th April 1959 (article 3 ff.), approved by statute of 21st July 1976, and its additional Protocol of 17th March 1978, approved by statute of 27th August 1997 The facts underlying the request must be sanctioned under Luxembourg law and the law of the requesting State by a maximum prison sentence of at least one year or by a severer sentence. Under the additional Protocol, criminal fiscal offenses must qualifiy as fraud under article 396, paragraph 5, of the Tax Bill (""Loi générale des Impôts""), or under article 29, 1st paragraph, of the Statute of 28th January 1948 concerning an equitable and accurate collection of registration duties and inheritance taxes. Mutual legal assitance is subject to the principle of opportunity. - Convention implementing the Schengen Agreement of 14th June 1985, approved by statute of 3rd July 1992, and its Protocol of 24th June 1997, approved by statute of 8th April 1999 - Convention of 29th May 2000 on Mutual Assistance in Criminal Matters between the Member States of the European Union, and its Protocol of 16th October 2001, approved by statute of 27th October 2010 - Benelux Treaty on Extradition and Mutual Legal Assistance in Criminal Matters of 27th June 1962 (article 23 ff.), and its Protocol of 11th May 1974 The facts underlying the request must be sanctioned under Luxembourg law and the law of the requesting State by a maximum prison sentence of at least six months or by a severer sentence. - Convention on Laundering, Search, Seizure and Confiscation of the Proceeds from Crime done at Strasbourg on 8th November 1990, approved by statute of 14th June 2001, as amended The facts underlying the request must be qualify as criminal offenses under Luxembourg law, the measure must be provided for under Luxembourg law by the Luxembourgish judicial authorities in an interal analogical case and the goods to be seized must be subject to confiscation (art. 3 and 4 of the statute of 14th June 2001). - United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances done at Vienna on 20th December 1988, approved by statute of 17th March 1992, as amended The facts on the basis of which confiscation is sought or has been ordered must qualify as an offense under Luxembourg law and the author ought to be punishable in Luxembourg if the fact had been committed there (article 3 of the statute of 17th March 1992). Measure limited to a duration of two years, after which it must be prolonged.