"We're obviously very concerned about their businesses and the jobs of people that they employ," he said."I want to be clear though that this will have no impact on medicine prices in Australian pharmacy cabinets," he added, noting they are protected by the Pharmaceutical Benefits Scheme (PBS).Australia exported about $1.91 billion worth of pharmaceuticals to the US last year, according to UN Comtrade data.Trump's order states that companies that move production to the US will face a reduced tariff of 20 per cent A White House official told the Sydney Morning Herald: "While we are always working with our trading partners and close allies like Australia, Australia does not have a special pharma tariff rate." The tariff has been implemented under a section of trade law designed to protect US national security, meaning it is not affected by a Supreme Court decision in February that struck down levies implemented under emergency orders