Debt collection defense explained: debt buying, validation letters, chain of title, standing, credit report disputes and old debts.
Charged-off accounts are often sold in large portfolios for a few cents on the dollar. As a result, the company that contacts you may be a debt buyer you never dealt with. However, federal law gives you ways to ask it to show its claim. In court, moreover, a judge will expect proof that the buyer owns the debt. For a plain-English summary of your rights, see the Consumer Financial Protection Bureau’s debt collection page.
From charge-off to portfolio sale to the collection letter.
Your 30-day window to dispute in writing under 15 U.S.C. § 1692g.
Bills of sale, schedules and the documents behind each transfer.
The contract that governs recurring sales of accounts.
Who has the right to bring the claim.
Deadlines, defenses, discovery and settlement.
What the Fair Credit Reporting Act requires of the bureaus.
Statutes of limitations and the federal rule against suing on old debts.
When a consumer account goes unpaid, the original creditor may charge it off and sell it. The company that later contacts the…
The Fair Debt Collection Practices Act gives consumers a short window to dispute a debt in writing. A timely written dispute requires…
Most debt collection lawsuits are filed in state court, and many end in default judgments because the defendant never responds. Responding on…
The Fair Credit Reporting Act lets you dispute information in your credit file. The credit bureau must investigate, and it must delete…
A forward flow agreement is a contract in which a seller agrees to sell, and a buyer agrees to buy, receivables on…
A company that sues to collect a debt it bought generally has to prove the debt exists and that it owns the…
Standing is a party's legal right to bring a claim or ask a court for relief. It comes up both as a…
Every state limits how long a creditor has to sue on a debt. Once that period runs out, the debt is "time-barred,"…
Our partner Kevinomics publishes Make Them Prove It, a 13-page guide to validation letters, debt buyer standing and pay-for-delete negotiation. Read it alongside these guides, and check each step against the law that applies in your state.

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Debt collection defense starts with one question: can the collector prove its claim? A collection letter alone does not answer it.
Many charged-off accounts are sold to debt buyers. So the company that contacts you may not be the lender you dealt with. Federal law gives you a 30-day window to dispute a debt in writing, and the collector must then stop collecting until it sends verification.
If a debt buyer sues, it generally has to prove that the debt exists and that it owns the claim. That proof usually comes from a chain of title: the original agreement, each bill of sale or assignment, and the account-level records that tie your account to each sale.
Finally, deadlines matter on both sides. Respond to any lawsuit on time, and check your state’s statute of limitations. For an active case, talk to a licensed attorney.
Each guide explains one part of the process in plain language. First comes how debt buying works. Next come the validation and credit reporting rights in federal law. Then come the documents that prove ownership and the steps in a lawsuit.
Every guide cites the statute, regulation or rule it relies on and links to the official text. However, state law also applies, so check your own state’s rules as well. For example, the time limit to sue on a debt is set by each state. Similarly, many states add their own collection rules on top of the federal law.

Lawtopolis provides legal information and education, not legal advice. Using this site does not create an attorney-client relationship. Laws and court rules vary by jurisdiction and change over time; verify every authority against the official source and consult a licensed attorney in your jurisdiction about your situation.
Looking for a state's court rules instead? See procedures for all 50 states and D.C.