Mexico's tax authority SAT issued new tariffs on Tuesday, which it said will strengthen the surveillance of goods from Asia, a measure that could impact popular online retailers like Shein and Temu.

Goods that enter Mexico via courier companies originating from countries that don’t have an international treaty with Mexico will be subject to a duty of 19%, the country’s tax authority says

Mexico has introduced a 19% tariff on goods entering from non-treaty countries, including China, home to Shein and Temu. The measures aim to protect domestic industries and counter tax evasion, impacting

Mexico does not have an international treaty with China, where Shein and Temu are based. Goods entering via courier companies from Canada and the U.S., which are part of the United States-Mexico-Canada trade agreement , will be subject to a 17% duty if the value is greater than $50 but does not exceed $117.