Sued by a debt buyer in New Mexico
Debt buyers must prove they own the debt. Here is what the state requires.
Checked against official sources: Oct 24, 2026.
Short answer
A debt buyer is a company that bought an old debt and now sues to collect it. In consumer debt cases, the complaint must follow Form 4-226: your name and address and the last 2 digits of your Social Security number from the original creditor's records (or how the plaintiff knows you are the debtor); the original creditor's name; the last 4 digits of the account number; the balance at default; an itemized amount (principal, interest, each fee); the date of your last payment; a statement that the statute of limitations has not run; the current owner; whether the plaintiff is a licensed collection agency; a copy of the written contract (or why it is missing); and, if the plaintiff is not the original creditor, an affidavit showing the chain of title or assignment.
- Time limit to sue (written contract)
- 6 years
- Time to answer
- 20 days
New Mexico rules for debt buyer lawsuits
- In consumer debt cases, the complaint must follow Form 4-226: your name and address and the last 2 digits of your Social Security number from the original creditor's records (or how the plaintiff knows you are the debtor); the original creditor's name; the last 4 digits of the account number; the balance at default; an itemized amount (principal, interest, each fee); the date of your last payment; a statement that the statute of limitations has not run; the current owner; whether the plaintiff is a licensed collection agency; a copy of the written contract (or why it is missing); and, if the plaintiff is not the original creditor, an affidavit showing the chain of title or assignment.
- Since December 31, 2025, medical debt complaints use a separate form (4-226A) stating how the plaintiff determined you are not indigent.
Defenses you can raise in New Mexico
The summons warns that if you do not answer you may give up defenses such as that you do not owe the plaintiff or that too much time has passed. The limit is 6 years for written contracts and 4 years for unwritten contracts and accounts. Medical debt of indigent patients (household income at or below 200% of the federal poverty level) cannot be pursued through collection actions (Patients' Debt Collection Protection Act).
Law: NMSA 1978, §§ 37-1-3, 37-1-4
Too old to sue on?
A written-contract debt in New Mexico must be sued on within 6 years. Raise an older debt as a defense in your answer.
A debt collector must not sue you, or threaten to sue you, on a debt that is too old to sue on.
Law: 12 CFR 1006.26(b)
In nearby states
Steps against a debt buyer suit in New Mexico
Check who is suing
If the name on the summons is not a company you know, it may be a debt buyer.
Request the documents
Send a documents request letter to the plaintiff's lawyer.
File your answer
Deadline in New Mexico: Magistrate or Metropolitan Court: file a written answer within 20 days after the summons is served on you.
List your defenses
Point out any missing proof of ownership or amount.
Talk to legal aid
Ask for free help: Law Help New Mexico (free legal aid) and State Bar of New Mexico (lawyer referral).
Federal rules in every state
- Where a collector must sue. A debt collector that sues you over a consumer debt must file where you signed the contract or where you live when the suit starts. Law: 15 U.S.C. 1692i(a)(2)
- If the collector broke the law. You can sue a debt collector that broke the federal debt collection law within 1 year, for your losses, up to $1,000 more and your lawyer's fees. Law: 15 U.S.C. 1692k
Where to get free help in New Mexico
Questions about debt buyer suits in New Mexico
Are there special rules when a debt buyer sues in New Mexico?
In consumer debt cases, the complaint must follow Form 4-226: your name and address and the last 2 digits of your Social Security number from the original creditor's records (or how the plaintiff knows you are the debtor); the original creditor's name; the last 4 digits of the account number; the balance at default; an itemized amount (principal, interest, each fee); the date of your last payment; a statement that the statute of limitations has not run; the current owner; whether the plaintiff is a licensed collection agency; a copy of the written contract (or why it is missing); and, if the plaintiff is not the original creditor, an affidavit showing the chain of title or assignment. Since December 31, 2025, medical debt complaints use a separate form (4-226A) stating how the plaintiff determined you are not indigent.
How many days do I get to answer in New Mexico?
Magistrate or Metropolitan Court: file a written answer within 20 days after the summons is served on you. District Court: file a written response within 30 days after you are served.
How old is too old for a debt buyer suit in New Mexico?
A written-contract debt in New Mexico must be sued on within 6 years. Raise an older debt as a defense in your answer.
Keep reading about New Mexico
Sources
- Form 4-226, Civil complaint provisions; consumer debt claims
- Form 4-204, Civil summons
- Form 4-301, Answer to civil complaint
- Form 4-704, Motion to set aside default judgment
- Form 4-808, Notice of right to claim exemptions (garnishment)
- Form 4-809, Claim of exemption from garnishment
- New Mexico Courts: Civil forms
- New Mexico Courts: Courts in New Mexico
- Metropolitan Court pamphlet: How to Answer a Civil Lawsuit (SH102)
- Metropolitan Court pamphlet: Collection of a Judgment (SH108)
- Metropolitan Court pamphlet: What is Mediation? (SH107)
- Metropolitan Court: Civil Complaint for Medical Debt (4-226A)
- Form 4-206, Bilingual civil summons (District Court)
- Form 4-222, Application for free process and affidavit of indigency
Last checked: Oct 24, 2026.