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100 years of customs duties: the eventful history of US trade - Lombard Odier

September 17, 2025 ยท Google News — Tariffs ยท View source โ†—

The landscape of U.S. customs duties has undergone a dynamic and often tumultuous transformation over the past century, marked by significant shifts between protectionist policies and movements towards trade liberalization. This eventful history, as highlighted by Lombard Odier, offers crucial insights for importers, customs brokers, and trade compliance officers navigating today's complex global trade environment.

Early in the 20th century, high tariffs were a common feature of U.S. trade policy. A prominent example is the Smoot-Hawley Tariff Act of 1930, which dramatically raised duties on more than 20,000 imported goods. This act is widely regarded as having exacerbated the Great Depression and triggered retaliatory tariffs from other nations, severely impacting international trade. Following World War II, there was a significant pivot towards trade liberalization, spearheaded by the establishment of the General Agreement on Tariffs and Trade (GATT) in 1948. The U.S. played a pivotal role in GATT, which aimed to reduce tariffs and other trade barriers globally. This multilateral effort continued with the formation of the World Trade Organization (WTO) in 1995, succeeding GATT and further promoting open trade.

However, recent years have seen a resurgence of protectionist tendencies, with tariffs being employed as strategic tools by various countries, including the United States. For instance, the Trump administration notably imposed tariffs on steel and aluminum imports, as well as on a wide range of goods from China. These policy shifts directly impact the cost of imported goods, necessitate adjustments in global supply chains, and introduce new layers of complexity for trade compliance. While specific duty rates fluctuate based on current policy decisions and trade agreements, the overarching historical context demonstrates how quickly and significantly these rates can change, directly affecting import profitability and market access.

Given this cyclical nature of trade policy, importers, customs brokers, and trade compliance officers must remain exceptionally vigilant. It is imperative to continuously monitor legislative changes, evolving trade agreements, and geopolitical developments that could influence tariff rates and trade regulations. Developing robust compliance programs, fostering agile supply chain strategies, and investing in ongoing education are critical steps to mitigate risks and adapt to an ever-changing trade landscape. Understanding the historical precedents can help anticipate future trends and prepare for potential shifts in customs duties, ensuring continued compliance and operational efficiency.