a) the Convention on International Trade in Endangered Species
of Wild Fauna and Flora, done at Washington, March 3, 1973, as
amended June 22, 1979,
b) the Montreal Protocol on Substances that Deplete the Ozone
Layer, done at Montreal, September 16, 1987, as amended June 29,
1990,
c) the Basel Convention on the Control of Transboundary Movements
of Hazardous Wastes and Their Disposal, done at Basel, March 22,
1989, on its entry into force for Canada, Mexico and the United
States, or
d) the agreements set out in Annex 104.1,
such obligations shall prevail to the extent of the inconsistency,
provided that where a Party has a choice among equally effective
and reasonably available means of complying with such obligations,
the Party chooses the alternative that is the least inconsistent with
the other provisions of this Agreement.