TL;DR: South Carolina's regulation 103-172 schedule anchors for-hire property floors at the federal-aligned $750,000, enforced through the Form E and Form F filing pair, with hazmat on the federal categories to $5,000,000. The market expects $1,000,000, and the state's plaintiff-friendly pockets argue for umbrella layers above it.
What sets the South Carolina floors?
Regulation 103-172, the schedule the uniform filings enforce. For-hire property carriers are commonly written at the federal-aligned $750,000, the Form E evidences the coverage, and the Form F endorsement conforms the policy's terms to the schedule so the filed limits and the contractual ones cannot drift apart. Hazmat freight follows the federal categories, $1,000,000 for oil and most hazardous cargo, $5,000,000 for the highest-hazard classes, and passenger operations carry their own schedule under the same machinery.
How does the enforcement pairing work?
Unusually tightly. Most states accept the Form E alone as evidence; South Carolina's regulations pair it with the Form F so the policy itself is amended to meet the schedule, closing the gap between what the filing claims and what the contract delivers. For carriers the practical meaning is simple: the state's minimums are not just filing thresholds but policy terms, a claim adjusted under a filed policy adjusts against the schedule, and the pairing protects claimants and compliant carriers alike from the underwritten-but-underfiled policy.
What do the federal tiers add?
The interstate overlay at matching numbers. Vehicles over 10,001 pounds in interstate commerce carry the federal $750,000 for general freight with insurer-filed BMC-91X evidence or the MCS-90, and South Carolina's port-and-corridor economy makes the overlay near-universal: containers cross state lines by definition, manufacturing freight ships nationally, and I-95 carries the seaboard through the lowcountry. The alignment means mixed fleets run one policy through two filing systems, with the state's Form F pairing the distinctive extra step.
| Operation | Minimum | Source |
|---|---|---|
| For-hire property | $750,000 aligned | 103-172 schedule |
| Policy conformity | Terms match schedule | Form F endorsement |
| Oil and most hazmat | $1,000,000 | Federal tiers |
| Highest-hazard cargo | $5,000,000 | Federal tiers |
| Interstate freight | $750,000 | 49 CFR 387.9 |
Why buy above the schedule?
Because South Carolina's severity lives above it. The state's venue map includes plaintiff-friendly counties whose verdict histories reprice programs, logging and port trades carry severity profiles of their own, and a serious I-95 or I-26 crash produces economic damages that consume $750,000 quickly. Shippers and brokers require $1,000,000 before tendering, the manufacturing contracts specify umbrella layers, and the port's interchange agreements add their own equipment and cargo obligations. The schedule licenses the truck; the tower protects the company.
How should a South Carolina carrier set limits?
Anchor at $1,000,000 primary with the filed pair certifying the floor beneath it, size umbrella capacity to the venue map and the largest contract, and take the hazmat categories as floors for fuel and chemical work. Drayage operations should read their interchange obligations alongside the liability tower, logging should build for the trade's severity in its specialty markets, and coastal fleets should remember that hurricane exposure is a property question the liability schedule never touches. Review at every contract and lane change, and keep the Form F conformity in mind at every policy amendment, because in this state the schedule follows the policy wherever it goes. A final note on process: because the Form F makes the schedule part of the policy itself, every mid-term endorsement, every added vehicle, and every coverage amendment should be checked against the filed pair before it binds, since an amendment that quietly narrows terms below the schedule creates the exact filed-versus-actual gap the pairing exists to prevent, and the discovery always arrives inside a claim.
Real questions South Carolina owner-operators and fleet managers ask
What liability floor applies to SC for-hire property carriers?
The federal-aligned $750,000 under the 103-172 schedule, evidenced by the Form E and made binding policy terms by the Form F endorsement.
What makes South Carolina's filing enforcement distinctive?
The Form F pairing: the endorsement amends the policy itself to conform with the schedule, so filed limits and contractual terms cannot drift apart.
What limits do SC hazmat haulers carry?
The federal categories: $1,000,000 for oil and most hazardous freight and $5,000,000 for the highest-hazard classes, through both state and federal filing systems.
Why do SC carriers buy above the $750,000 floor?
Plaintiff-friendly venue pockets, port and logging severity, and manufacturing contracts that specify $1,000,000 primaries with umbrella layers all price the working market above the schedule.
Do interchange agreements affect a drayage carrier's limits?
They add obligations alongside them: chassis, per-diem, and container cargo terms that function as contractual minimums the liability schedule does not address.
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)
- Trucking insurance requirements
- Intrastate authority and filings
- 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.