What will be the impact of US actions against Xinjiang suppliers of silicon and polysilicon allegedly using forced labor? The US government has ordered the detaining of shipments and a ban on exports from specific companies. Though those imports are a very small percentage of the total imports, if the prohibitions expand it will have an increasing impact on US importers of third-country manufactured cells and panels containing Xinjiang-origin polysilicon and may also effect global supply and pricing. Industry moves like the recent SEIA supply chain tracking tool are helpful as they avoid far-reaching governmental measures that could seriously disrupt solar supply chains.