1. This Convention applies to every sea-going
mechanically propelled vessel, whether publicly or privately owned,
which is engaged in the transport of cargo or passengers for the purpose
of trade and is registered in a territory for which this Convention
is in force.
2. National laws or regulations shall determine
when vessels are to be regarded as sea-going vessels for the purpose
of this Convention.
3. This Convention does not apply to—
-
(a) vessels of less than 500 tons;
-
(b) vessels primarily propelled by sail but having
auxiliary engines;
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(c) vessels engaged in fishing or in whaling or
in similar pursuits;
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(d) tugs.
4. Provided that the Convention shall be applied
where reasonable and practicable to—
5. Provided also that any of the requirements
contained in Part III of this Convention may be varied in the case
of any ship if the competent authority is satisfied, after consultation
with the organisations of shipowners and/or the shipowners and with
the bona fide trade unions of seafarers, that the variations
to be made provide corresponding advantages as a result of which the
over-all conditions are not less favourable than those which would
result from the full application of the provisions of the Convention
; particulars of all such variations shall be communicated by the
Member to the Director-General of the International Labour Office,
who shall notify the Members of the International Labour Organisation.