Volltext: The Transport Protocol of the Alpine Convention: Added Value to the Transport Policy of the European Community?

27 
wait until all Alpine States have ratified the Protocol before signing and ratifying 
itself 01 . Nevertheless, the Commission in its proposal regarding the signature of the 
Transport Protocol had suggested a concerted action of the Community and all the other 
contracting parties 91 92 , but this has not become reality. In the meantime, the Community's 
hesitations leave potential legal uncertainties. 
4.1.2. Hierarchical conflicts as long as the Community does not ratify 
As long as the Community does not ratify the Transport Protocol, several issues 
concerning the relationship between the Transport Protocol and Community law may 
arise. 
First scenario: A Member State of the Community ratifies the Protocol, as Austria and 
Germany have already done. In case of an incompatibility with Community law, the 
latter prevails as far as Community competence is concerned. This both according to 
Community law (supremacy) and according to international customary law on 
successive agreements between different parties relating to the same subject-matter 93 . 
As far as Community competence is not touched, Austria and Germany are bound by 
the provisions of the Transport Protocol. 
The same is true for national measures implementing the Transport Protocol but 
infringing Community law. Member States of the Community cannot bypass the 
application of Community law by means of an agreement of public international law 94 . 
91 See supra, note 80. p.153. 
92 See supra, note 62. p.3. 
93 Article 30(4)(b) of the Vienna Convention on the Law of Treaties from 1969 states: "When the parties 
to the later treaty do not include all the parties to the earlier one [...] as between a State party to both 
treaties and a State party to only one of the treaties, the treaty to which both States are parties governs 
their mutual rights and obligations"; See as well supra, note 83. p.310. 
But see P. HaBlacher, "Die Alpenkonvention und ihr Verkehrsprotokoll". in Transitforum Austria Tirol 
(ed.), Am Brenner fiir die Alpen. Tatort Brenner. Vol. 2. Innsbruck 2000: "When the Alpine countries 
decide on a common action based on the Alpine Convention, public international law prevails on 
Community law." (own translation). 
94 But see R. Norer, "Die Alpenkonvention aus rechtlicher Sicht. Ein Beitrag zum Jahr der Berge 2002". 
(2002) 7 Agrarrecht 209. n.62: "In case of a conflict with dispositions of secondary Community law. the 
general rules of public international law prevail." (own translation). The author bases this opinion on C. 
Tomuschat. in H. Groeben/J. Thiesing/C.-D. Ehlermann. Kommentar zum EWG-Vertrag, 4 th ed.. 
Nomos Verlagsgesellschaft. Baden-Baden 1991. at Article 210 n.42; as well as on M. Rottinger, in C. 
O. Lenz, EGV-Kommentar, Bundesanzeiger Verlagsges.mbH., Koln 1994. Article 210 n.6. To my 
opinion, these references are mistaken in this context because both deal with the hierarchy between
	        

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