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(h) The propriety of restudying treaty obligations and international agreements under which the opium traffic is at present conducted;
(i) The advisability of uniform provisions of penal laws concerning offences against any agreements that the Powers may make in regard to opium production, and traffic;
(j) The advisability of uniform marks of identifica- tion of packages containing opium in international transit;
(k) The advisability of permits to be granted to exports of opium, its derivatives and preparations;
(1) The advisability of reciprocal right of search of vessels suspected of carrying contraband opium;
(m) The advisability of measures to prevent the unlaw- ful use of a flag by vessels engaged in the opium traffic;
(n) The advisability of an international commission to be entrusted with the carrying out of any international
agreement concluded.
It was made plain, however, that the United States ·
had no desire to prescribe the scope of the Conference or
to present a programme which might not be varied nor
enlarged; but that the tentative programme was submitted
in the belief that it might serve as a basis at least for
preliminary discussion, and a formal expression of opinion
was invited on the topics outlined, and an enumeration
requested of the other aspects of the opium problem which
might