Constitutional practicability of referendum on EU Constitution

No. Binding referendum requires constitutional amendment. Consultative referendum expressly provided.

Regulation about a special transfer of sovereignty to EU

none

Approval of transfer of sovereignty without effect of constitutional amendment

Majority from parliament, Art. 37 I, 46 ConstLux.

Approval of transfer of sovereignty with effect of constitutional amendment

Majority of 2/3 from the members of parliament by presence of at least 3/4 of its members, Art. 37 II, 49a, 114 V ConstLux. In contradiction to Art. 51 EC only temporary transference allowed within Art. 49a ConstLux.

Approval of constitutional amendment

Majority of 2/3 of the votes from the parliament by presence of 3/4 of its members after the parliament has declared the necessity of a constitutional amendment, its disbandment and re-election, Art. 114 ConstLux.

Other constitutional regulations about referendums

Consultative referendum provided for in the constitution, Art. 51 ConstLux.