APPENDIX B 223
ARTICLE 35,—The establishment of gaming houses is
prohibited.
All enterprises exploiting games of chance shall be
deemed to be gaming houses.
All such enterprises at present in existence shall be
closed within a period of five years from the adoption of this
Article.
The Confederation may also take any necessary mea-
sures against lotteries.
ARTICLE 3G,—Throughout Switzerland posts and tele-
graphs are within the province of the Confederation.
Revenues from posts and telegraphs belong to the
Federal Treasury.
Postal and telegraphic charges must be fixed on the
same principles and as equitably as possible in every part
of Switzerland.
The inviolable secrecy of letters and telegrams is
guaranteed.
ARTICLE 37.—The Confederation exercises supreme
control over all roads and bridges in the maintenance of
which it is concerned.
The sums due to the Cantons specified in Article 30 on
account of their international Alpine highways may be
withheld by the Federal authorities if these highways are
not properly maintained.
ARTICLE 37a.—The Confederation may make regula*
tions concerning automobiles and cycles.
The Cantons retain the right to restrict or prohibit
automobile and cycle traffic, but the Confederation may
nevertheless declare open or partially open to traffic high-
ways necessary for through traffic, The use of highways
upon the business of the Confederation may not be
restricted.
ARTICLE 37b.—Legislation concerning aerial navigation
is within the province of the Confederation,