TL;DR: South Carolina for-hire carriers file Form E liability evidence with Form F endorsements conforming policies to the state schedule, commonly at the federal-aligned $750,000. Drayage fleets add interchange and chassis terms, coastal operations plan for hurricanes, and workers compensation binds at four employees.
What does the state require of for-hire carriers?
The filed pair: a Form E certificate from an insurer evidencing bodily injury and property damage liability under regulation 103-171, and the Form F endorsement conforming the policy's terms to the limits the 103-172 schedule requires, together supporting the PSC certificate the ORS administers. For-hire property carriers are commonly written at the federal-aligned $750,000, hazmat follows the federal categories, and the filings' continuity is the certificate's lifeline, with cancellations running through notice procedures before a filed policy dies.
What do the federal rules add?
The standard machinery over aligned numbers. Interstate operation over 10,001 pounds carries $750,000 for general freight, $1,000,000 for oil products, and $5,000,000 for the highest-hazard cargo, evidenced by the insurer's BMC-91X filing or MCS-90 endorsement, and South Carolina's freight geography makes the federal layer ubiquitous: port boxes move to Georgia and North Carolina, upstate manufacturing ships nationally, and the I-95 through-corridor crosses the state's coastal plain. Mixed fleets keep both filing sets current on the same policy.
What does drayage work require?
The trade's own stack. Charleston drayage runs on the UIIA and terminal interchange agreements, which dictate liability and equipment terms as conditions of picking up a box: chassis coverage, trailer interchange, per-diem exposure, and cargo liability that follows sealed containers whose contents the driver never sees. Reefer boxes add genset and temperature terms, the inland port at Greer extends the pattern up I-26, and underwriters who write the trade expect the interchange paperwork organized alongside the insurance.
| Coverage | Requirement | Working standard |
|---|---|---|
| Auto liability | Form E and Form F filed | $1,000,000 CSL |
| Drayage interchange | UIIA and terminal terms | Chassis, per-diem, interchange |
| Cargo | Broker and interchange driven | $100,000, container terms |
| Physical damage | Lender driven | Stated value, hurricane-aware |
| Workers compensation | At 4 employees | Often bound earlier |
How does workers compensation work in South Carolina?
Coverage binds at four or more employees, with the private market and assigned risk plan serving trucking accounts, and the four-employee threshold arrives faster than growing fleets track. Running bare below it trades small premium for unlimited tort exposure, and classification follows substance for leased owner-operators, with the drayage trade's owner-operator customs deserving documented care because port fleets run heavily on leased power.
What completes the program?
Physical damage written for the coast: hurricane season brings wind, surge, and flood to yards from Charleston to Myrtle Beach, cat deductibles and named-storm terms deserve reading before June, and binding restrictions arrive with every named system. Logging operations need the trade's specialty markets and documented experience. General liability, umbrella layers above $1,000,000 for the manufacturing contracts whose sophisticated shippers specify them, and non-trucking liability for the leased operators the port trade runs on.
How should a carrier sequence it?
Bind the liability program, file the Form E and Form F together, and receive the certificate before for-hire work. Stand up the federal registrations for the corridor lanes, execute the UIIA and terminal agreements before the first box, bind workers compensation before the fourth hire, and set the hurricane plan before the season. Then review annually: the port's growth keeps changing the state's freight, and programs built for last year's volume meet this year's terminals unprepared.
Real questions South Carolina owner-operators and fleet managers ask
What filings support a South Carolina motor carrier certificate?
An insurer-filed Form E evidencing liability coverage and a Form F endorsement conforming the policy to the state's schedule, both administered through the ORS for the PSC certificate.
What insurance does Charleston drayage work require?
The interchange stack: UIIA registration, chassis and trailer interchange terms, per-diem exposure, and cargo liability for sealed containers, alongside the standard liability program.
Is four employees really the SC workers comp threshold?
Yes, and it arrives fast. Most fleets bind earlier because uncovered injury suits proceed without the exclusive-remedy defense, and drayage's leased-operator customs need documented classification care.
How should coastal SC fleets prepare for hurricane season?
Settle cat deductibles, named-storm terms, and yard plans before June, because binding restrictions arrive with named systems and terminal-area yards aggregate exposure.
Do upstate manufacturing contracts change insurance needs?
Often. Automotive and aerospace shippers specify umbrella layers and tight cargo terms for just-in-time freight, so the contracts drive limits above the filed floors.
Can Morrow write trucking insurance in South Carolina?
Not directly today. Morrow is the brand name of Afthonea Inc, licensed in Massachusetts, Florida, California, New York, Pennsylvania, Oregon, and Texas. If your trucking company is based in South Carolina, we can refer you to a licensed South Carolina agent, and this guide still shows you exactly what to ask that agent for. Everything above comes from public South Carolina and federal sources, not from us selling you a policy.
Related South Carolina trucking guides
The other South Carolina trucking questions, answered the same way.
- Trucking insurance in South Carolina (start here)
- Intrastate authority and filings
- Minimum liability limits for trucks
- Cost of trucking insurance
- Business insurance in South Carolina
- Federal minimum liability limits by commodity
- What is an MCS-90 endorsement?
- Federal minimum liability limits by commodity
This guide is general information, not legal, tax, or insurance advice. Limits, forms, and deadlines change, so verify current requirements with the South Carolina PSC, the Office of Regulatory Staff, and the Department of Insurance before you rely on them. Morrow is a brand name of Afthonea Inc. Last updated: July 2026.