it is concerned, the right to
treat as contraband of war an article comprised in any of the classes
enumerated in Articles 22 and 24, such intention shall be announced
by a declaration, which must be notified in the manner provided for
in the second paragraph of Article 23.

ART. 27.--Articles which are not susceptible of use in war may not be
declared contraband of war.

ART. 28.--The following may not be declared contraband of war: (1)
Raw cotton, wool, silk, jute, flax, hemp and other raw materials of
the textile industries, and yarns of the same; (2) oil seeds and
nuts; copra; (3) rubber, resins, gums and lacs; hops; (4) raw hides
and horns, bones and ivory; (5) natural and artificial manures,
including nitrates and phosphates for agricultural purposes; (6)
metallic ores; (7) earths, clays, lime, chalk, stone, including
marble, bricks, slates and tiles; (8) Chinaware and glass; (9) paper
and paper-making materials; (10) soap, paint and colours, including
articles exclusively used in their manufacture, and varnish; (11)
bleaching powder, soda ash, caustic soda, salt cake, ammonia,
sulphate of ammonia and sulphate of copper; (12) agricultural,
mining, textile and printing machinery; (13) precious and
semiprecious stones, pearls, mother-of-pearl and coral; (14) clocks
and watches, other than chronometers; (15) fashion and fancy goods;
(16) feathers of all kinds, hairs and bristles; (17) articles of
household furniture and decoration; office furniture and requisites.

ART. 29.--Likewise the following may not be treated as contraband of
war: (1) Articles serving exclusively to aid the sick and wounded.
They can, however, in case of urgent military necessity and subject
to the payment of compensation, be requisitioned, if their
destination is that specified in Article 30; (2) articles intended
for the use of the vessel in which they are found, as well as those
intended for the use of her crew and passengers during the voyage.

ART. 30.--Absolute contraband is liable to capture if it is shown to
be destined to territory belonging to or occupied by the enemy, or to
the armed forces of the enemy. It is immaterial whether the carriage
of the goods is direct or entails transhipment or a subsequent
transport by land.

ART. 31.--Proof of the destination specified in Article 30 is
complete in the following cases: (