South Carolina Nexus Requirements
South Carolina's economic nexus threshold is $100,000. Learn about all nexus types, registration requirements, and compliance steps.
Economic Nexus Threshold
Economic nexus threshold is $100,000 in annual sales
Physical Presence Requirements
Physical presence includes property, employees, or inventory. This can include maintaining an office, warehouse, or inventory location; having employees or contractors working in the state; attending trade shows or conducting business meetings regularly; or storing property or equipment within state borders.
Employee Nexus in South Carolina
Must register for employer withholding tax
Affiliate & Click-Through Nexus
Affiliate Nexus
AppliesAffiliate nexus applies to related entities
Click-Through Nexus
AppliesClick-through nexus provisions apply
Marketplace Facilitator
South Carolina requires marketplace facilitators (such as Amazon, Etsy, and similar platforms) to collect and remit sales tax on behalf of third-party sellers. If you sell exclusively through qualifying marketplaces, the marketplace handles your South Carolina sales tax collection obligations.
How to Register in South Carolina
Determine your nexus
Confirm you have economic or physical nexus based on the thresholds above.
Gather required information
You will need your EIN, business formation documents, and expected sales volume in South Carolina.
Register online
Complete the registration through South Carolina's official portal.
Begin collecting & remitting
Once registered, start collecting applicable taxes and file returns by the assigned schedule.
Frequently Asked Questions
What is the economic nexus threshold in South Carolina?
South Carolina's economic nexus threshold is $100,000 in annual sales. Once you exceed this threshold, you are required to register for sales tax collection and remittance in South Carolina.
What creates physical presence nexus in South Carolina?
Physical presence includes property, employees, or inventory. This can include having employees, offices, warehouses, inventory, or other tangible property in the state.
How do I register for sales tax in South Carolina?
You can register for South Carolina sales tax through the state's online portal. Visit the South Carolina Department of Revenue website to complete your registration. You will need your business information, EIN, and expected sales volume.
Do I need to register if I have employees in South Carolina?
Yes. Must register for employer withholding tax. Having employees in South Carolina creates physical presence nexus and may trigger sales tax, income tax withholding, and unemployment insurance obligations.
Does South Carolina have marketplace facilitator laws?
Yes, South Carolina requires marketplace facilitators (such as Amazon, Etsy, and similar platforms) to collect and remit sales tax on behalf of third-party sellers. If you sell exclusively through marketplaces, the marketplace may handle your South Carolina sales tax obligations.
Does South Carolina have affiliate and click-through nexus?
Yes, South Carolina recognizes affiliate and click-through nexus. Affiliate nexus applies to related entities. Click-through nexus provisions apply.
What happens if I don't register for nexus in South Carolina?
Failing to register and collect applicable taxes in South Carolina can result in back taxes, penalties, and interest on uncollected amounts. South Carolina may also conduct audits that cover multiple prior years. It is recommended to register proactively once you determine you have nexus.
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