US federal law in fact includes three other acts directly targeted at international trade in endangered species. Marcus J. Phipps, national representative of TRAFFIC East Asia-Taipei, ventures that the Pelly Amendment, originally established to protect American fishermen, is perhaps the only one to give the president the power to impose trade sanctions against foreign countries, and has therefore become the focus of lobbying efforts by conservation groups.
其實，在美國聯邦法內，另有三種直接針對國際瀕臨絕種動物交易而設的法令，根據野生物貿易調查委員會在台代表斐馬克猜測，可能只有為了保護美國漁民而立法的培利條款，賦予總統對外貿易制裁的權利，因此成為保育團體最常遊說的對象。