“(3) Communication to the debtor shall not take place after the expiry of a period of three years from the date on which the customs debt was incurred. This period shall be suspended from the time an appeal within the meaning of Art 243 is lodged, for the duration of the appeal proceedings. (4) Where the customs debt is the result of an act which, at the time it was committed, was liable to give rise to criminal court proceedings, the amount may, under the conditions set out in the provisions in force, be communicated to the debtor after the expiry of the three-year period referred to in paragraph 3.”
“50 By the fourth question, the national court is essentially asking whether Member States are required to determine the procedures in accordance with which notification of the amount of duties, under Art 221 of the Customs Code, must be made to the person liable for the customs debt. 51 The Belgian Government and the Commission submit that Member States are not required to regulate in their national legislation the manner in which notification of the customs debt is made. The agent submits that Member States must set out those procedures and, if they have not done so, only a document referring unambiguously to Art 221 of the Customs Code can be deemed to constitute communication within the meaning of that article. 52 In order to reply to the question raised, it should be noted that, according to the general principles on which the Community is based and which govern the relations between it and the Member States, it is for the Member States, under Art 10 EC, to ensure that Community rules are implemented within their territories. In so far as Community law, including its general principles, does not include common rules to that effect then, when the national authorities implement Community rules, they are to act in accordance with the procedural and substantive rules of their own national law (see, in particular,Case C-285/93 Dominikanerinnen-Kloster Altenhohenau[1995] ECR I-4069 , paragraph 26, andCase C-495/00 Azienda Agricola Giorgio, Giovanni e Luciano Visentin and Others[2004] ECR I-2993 , paragraph 39). 53 Given the absence in the Community customs legislation of provisions on the meaning of ‘appropriate procedures’ or of any provision conferring power on entities other than the Member States and their authorities to determine those procedures, it must be held that the procedures are within the scope of the national legal systems of the Member States. Should the latter not have enacted specific procedural rules, it is the responsibility of the competent State authorities to guarantee a form of communication which allows persons liable for customs debts to have full knowledge of their rights. 54 In the light of the foregoing, the answer to the fourth question is that Member States are not required to adopt specific procedural rules on the manner in which communication of the amount of import or export duties is to be made to the debtor where national procedural rules of general application can be applied to that communication, which ensure that the debtor receives adequate information and which enable him, with full knowledge of the facts, to defend his rights.”