‘Baseline’ 10% import levy takes effect at US seaports, airports and customs warehouses on Saturday, with some higher tariffs to begin next weekUS customs agents began collecting President Donald Trump’s unilateral 10% tariff on all imports from many countries on Saturday, with higher levies o n goods from 57 larger trading partners due to start next week.The initial 10% “baseline” tariff took effect at US seaports, airports and customs warehouses at 12.01am ET (0401 GMT), ushering in Trump’s full rejection of the post-second world war system of mutually agreed tariff rates. Continue reading... ...read more read less