US customs policy is currently changing almost faster than freight forwarders and customs brokers can update their master data. Since July 22, 2026, an additional US tariff of 25 percent has applied to a large portion of goods originating from Brazil. This is based on Section 301 of US trade law. This rule permits countermeasures against trading partners whose practices are classified by the US as unfair or discriminatory. The tariff generally applies to Brazilian goods but contains numerous exceptions. These include certain raw materials, pharmaceutical products, civil aviation products, and goods that already fall under individual Section 232 tariffs. Consequently, it is not only the country of origin that matters, but the precise US tariff schedule number. For goods already shipped, strict transit rules apply. The goods must have been loaded onto the final means of transport before July 22 at 00:01 US Eastern Time. Additionally, import must occur no later than July 29 at 00:01. Only then can the exception be utilized. Simultaneously, the general Section 122 surcharge of 10 percent expires on July 24 at 00:01. This tariff was introduced on February 24 for a maximum of 150 days. Without renewal by the US Congress, the legal basis expires automatically. For Brazilian goods, this creates a special transition period: On July 22 and 23, the old surcharge of 10 percent and the new Brazil tariff of 25 percent can apply simultaneously. From July 24 onward, the Section 122 component will no longer apply under current circumstances. What comes next remains uncertain. The US Trade Representative (USTR) has already proposed new Section 301 tariffs against 60 economies. Depending on the country, rates of 10 or 12.5 percent are envisioned. Switzerland is also included in the proceedings and would fall into the 12.5 percent group under the current proposal. However, these tariffs are not yet in effect. This is precisely where the practical problem lies: announcements, proposals, resolutions, and actual implementation are mixed together in many reports. Those who calculate using outdated information risk incorrect cost bases and subsequent charges.