(4) National defence.[8]
(5) Currency.
(6) Tariffs, and the Customs and Commercial Union and freedom of Trade.
(7) Posts and telegraphs, including telephones.[9]
Article 7.
The Realm has legislative authority in the following subjects:—
(1) Citizenship.
(2) The criminal code.
(3) Judicial procedure, including the execution of justice; further, official co-operation between public authorities.