Supreme Court Decides Wayfair Online Sales Tax Case - taxfoundation.org
Supreme Court ruling affirms states' rights to impose sales tax on online sales, impacting cross-border importers and e-commerce businesses.
Aforeworn detected this change in the Small Cross-Border Importers space on September 6, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. All small cross-border importers and e-commerce businesses selling online. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Immediate compliance required as states may enforce sales tax collection at any time.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Small Cross-Border Importers continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
States can now require online sellers to collect sales tax, affecting pricing and compliance.
Who it affects
All small cross-border importers and e-commerce businesses selling online.
What you must do
Review and update sales tax collection practices to comply with state laws.
Deadline
Immediate compliance required as states may enforce sales tax collection at any time.
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