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How Do I Collect an Unpaid Invoice in South Carolina?

Collections · 5 min read · South Carolina Law

Reviewed by Constantin Post, attorney licensed in Alabama and South Carolina · Last updated

The Short Answer

South Carolina treats an unpaid invoice as a contract or account claim carrying three years (S.C. Code § 15-3-530), the same short window that governs all its contract claims, so delay is costly. A documented demand, adding any contractual interest or late fees, is usually the first step and frequently prompts payment.

Collecting an Unpaid Invoice in South Carolina

South Carolina treats an unpaid invoice as a contract or account claim carrying three years (S.C. Code § 15-3-530), the same short window that governs all its contract claims, so delay is costly. A documented demand, adding any contractual interest or late fees, is usually the first step and frequently prompts payment.

South Carolina's Magistrate Court provides a streamlined forum for smaller claims, with the Circuit Court for larger ones. A simple refusal to pay is a breach of contract, not an unfair trade practice, but where nonpayment comes with deception, South Carolina's Unfair Trade Practices Act can open the door to enhanced remedies, another reason to have the claim evaluated early.

The South Carolina Contract Clock

South Carolina gives most breach of contract claims, written or oral, only three years under S.C. Code § 15-3-530, counted from when the breach was or should have been discovered, half of what Alabama and Georgia allow for written agreements. The important exception is a contract for the sale of goods, which carries six years under the state's UCC (S.C. Code § 36-2-725). Businesses with South Carolina contracts need to move on disputes quickly; a non-goods claim that would be comfortably timely in Birmingham or Atlanta may already be barred in Charleston.

Where South Carolina Disputes Are Fought

We handle South Carolina business disputes in the circuit courts of common pleas and before South Carolina-seated arbitrators and mediators when the contract requires it. Forum-selection, choice-of-law, arbitration, and fee-shifting clauses in your contract can move or reshape the dispute, and reading them early is what keeps a South Carolina matter on efficient footing.

A Worked Example Under South Carolina Law

A client owes a well-documented $18,000 invoice and keeps promising to pay 'soon.'

In South Carolina, that is a contract or account claim, and a documented demand adding any contractual interest and late fees usually comes first. Smaller balances fit South Carolina's streamlined lower court; larger ones go to the trial court. Because the limitation clock is running, treating the account like a live legal claim rather than a re-invoicing exercise is what gets it paid.

Illustration only, real disputes turn on their specific facts.

Steps to Protect Your Company

1.

Preserve every document

Gather the signed contract, amendments, purchase orders, invoices, emails, and text messages. The informal record often matters as much as the signature page.

2.

Understand the breach before you act

Acting on a wrong assumption about who breached first can convert you from the injured party into the party in breach. Get advice before withholding performance.

3.

Send a documented demand

A clear, professional demand letter often resolves disputes without litigation, and if it does not, it becomes evidence of your good faith and the other side's refusal to cure.

4.

Mind the South Carolina clock

Three years on written contracts (S.C. Code § 15-3-530) is the headline number, but companion claims can run shorter, and leverage erodes long before any deadline arrives.

Costly Mistakes to Avoid

Continuing to do business as usual without documenting the breach, undercutting your later claim.
Signing a settlement or release before understanding the full scope of your damages.
Assuming a verbal modification is enforceable when the contract requires written amendments.
Ignoring forum-selection, arbitration, and fee-shifting clauses until after the dispute has escalated.
Waiting so long that evidence disappears and the other side claims you accepted the situation.

Key South Carolina Terms Explained

Statute of Limitations

The deadline to sue: in South Carolina, generally three years on a written contract (S.C. Code § 15-3-530), with shorter periods for many companion claims.

Forum-Selection Clause

A contract term choosing where disputes will be decided. It can move your case to another court, or into arbitration, and is one of the first things to check.

Liquidated Damages

A pre-agreed amount set in the contract as the remedy for a breach, enforceable when it is a reasonable estimate of harm rather than a penalty.

Strict Construction of Covenants

South Carolina disfavors non-competes, construes them strictly against the employer, and generally will not rewrite an overbroad covenant to save it.

South Carolina Questions, Answered

How long does my company have to act in South Carolina?

South Carolina gives most breach of contract claims, written or oral, only three years under S.C. Code § 15-3-530, counted from when the breach was or should have been discovered, half of what Alabama and Georgia allow for written agreements. The important exception is a contract for the sale of goods, which carries six years under the state's UCC (S.C. Code § 36-2-725). Businesses with South Carolina contracts need to move on disputes quickly; a non-goods claim that would be comfortably timely in Birmingham or Atlanta may already be barred in Charleston.

Where would a South Carolina dispute like this be litigated?

We handle South Carolina business disputes in the circuit courts of common pleas and before South Carolina-seated arbitrators and mediators when the contract requires it. Forum-selection and arbitration clauses in the contract can move the matter to a different venue entirely, which is one of the first things we review in any South Carolina case.

Is a demand letter required before I sue?

It is generally not legally required, but it is good practice. A demand letter creates a record, can trigger payment, and demonstrates that you acted reasonably before filing suit.

Does this guide replace advice about my specific South Carolina dispute?

No. This guide is educational and general. The rules described here have exceptions and fact-specific applications, and those can only be assessed against the documents and circumstances of a particular matter. The initial consultation is confidential and without charge.

Can a Hoover, Alabama firm handle my South Carolina business dispute?

Yes. Between them, our attorneys are licensed in Alabama, Georgia, and South Carolina and represent South Carolina businesses in person, by telephone, and by video conference. What changes across the state line is the law that applies, and we practice under South Carolina's.

Reading for Another State?

The same question, answered under each state's law.

Discuss Your South Carolina Matter With Counsel

Licensed in South Carolina. Hourly, flat-fee, hybrid, and contingency arrangements on qualifying matters. The initial consultation is confidential and without charge.

This guide is provided for general educational purposes only and does not constitute legal advice or create an attorney-client relationship. South Carolina law and its application depend on the specific facts of your situation and can change over time. For advice about your matter, speak with an attorney licensed in South Carolina.