The 4 (d) rule change would prohibit most sales of ivory in interstate or foreign commerce (with exemptions for bona fide antiques and certain manufactured items containing
de minimis quantities of ivory) and leave in place other import / export and sales restrictions that the US Fish & Wildlife Service implemented last year.
Further comparing NAFTA and CETA, we can look at the
de minimis exemption clauses —
de minimis is a Latin word that denotes what is considered a «negligible
quantity.»