Credit Bureau Asking for More Information: What to Send
The bureau is asking for more information: what the letter is and how to answer it
CheckDispute · Sources checked September 20, 2026
A letter asking for more information is not a brush-off — it is usually one of two defined mechanisms, each with a statutory shape: a frivolous-or-irrelevant determination that must state its reasons and identify the information required, or an identity-verification request under the proof-of-identity rule. Once you can name which letter you got, you know what it needs.
The first kind: "not enough information to investigate"
Under 15 U.S.C. §1681i, an agency may terminate a reinvestigation it reasonably determines is frivolous or irrelevant — including because you did not provide enough information to investigate. The determination comes with duties: notice within five business days, stating the reasons, and identifying the information needed — possibly on a standardized form, per §1681i(a)(3). The CFPB gives the common example: a dispute that does not specify what information is being disputed. The FTC's version is the actionable sentence: they must notify you and give the reason — for instance, that you need to give them additional evidence, per its dispute guidance.
So the letter tells you what was missing. The response is the identified information, aimed at the specific item — not the same letter again.
The second kind: proof of identity
A different letter asks who you are — and it is not skepticism, it is a rule. Under 12 CFR 1022.123, agencies must have reasonable proof-of-identity requirements sufficient to match you to your file — the rule's own examples are full name and previously used names, current or recent address, full Social Security number, date of birth, and copies of government-issued ID, utility bills, or questions only you could answer. The CFPB's letter checklist is what a complete dispute contains: your complete contact information, the report confirmation number, each error with its account number, the explanation, the requested fix, the circled report portion, and copies — never originals — of supporting documents.
The timing fact that changes expectations
Sending more information has a clock consequence most readers miss: the 30-day reinvestigation period may be extended by up to 15 additional days if the agency receives relevant information from you during that period. Responding promptly and completely is still right — a dispute that never supplies enough information can be terminated — but do not expect the original date to hold. And the agency must still review and consider all relevant information you submit during the period, per §1681i(a)(4), and pass it promptly to the furnisher.
A worked example: building the response package
Priya's letter asks for "documentation supporting your claim." She responds with four things: the circled report page showing the disputed field; an account statement showing the different figure; a copy — not the original — of a government-issued ID; and one paragraph restating the specific factual discrepancy, account number included.
What the package establishes: the bureau now has the information its notice identified, and Priya has a dated record of exactly what she sent. What it does not establish: that the item is wrong, or that deletion follows. For a dispute to a furnisher, Regulation V sets the same content bar — enough to identify the account, the specific information disputed and why, and supporting documentation — and a repeat dispute that is substantially the same as one already handled can be treated as frivolous unless it includes new required information. New information is what changes the outcome; resending is not.
Do credit bureaus really investigate disputes?
The statute requires a reasonable reinvestigation, free of charge: the agency must notify the furnisher within five business days with all your relevant information, the furnisher must investigate and report back within the same period, and the agency must review what you submit during it. What any individual bureau's investigation consists of is not described in the sources — which is exactly why the procedure-description right and the record of what you sent matter. If you suspect the error traces to identity theft rather than a reporting mistake, the CFPB routes that to IdentityTheft.gov — a different process entirely.
One related request to expect: a bureau verifying identity before releasing a report may ask questions only you would know, and you answer them separately for each bureau, per the FTC's free-reports page — the same identity discipline, on a different door.
Do 609 dispute letters work?
Section 609 is a file-disclosure right: it produces the contents and sources of your file — not original contracts, not deletion. The correction mechanism is §1681i, which is also the section governing the letter in your hand. And disputing everything is the opposite of the fix: an unspecified or blanket dispute is the textbook frivolous-or-irrelevant case, and the FTC lists "dispute information you know is accurate" as a scam marker. Accurate negative information is not an error — no response package changes that.
Frequently asked questions
Do credit bureaus really investigate disputes? The law requires a reasonable reinvestigation: the bureau notifies the furnisher within five business days, the furnisher investigates and reports back, and the bureau must review what you submit during the period.
What happens if I dispute everything on my credit report? A dispute that doesn't specify what's being disputed can be terminated as frivolous or irrelevant, with notice and reasons within five business days. Specific, documented items are what the process is built for.
Do 609 dispute letters work? §609 is a disclosure right — it produces your file's contents and sources. It contains no deletion mechanism; corrections come from the §611 reinvestigation.
Can you buy a house with a dispute on your credit? The CFPB says some lenders may not extend credit during the investigation period; afterward the debt is used in scoring. Underwriting specifics depend on the lender and are outside this article.
The request has a statutory shape — read which kind it is, answer the identified gap, and keep the dated package in your file. Disputing is free; free reports are at AnnualCreditReport.com. CheckDispute prepares documents you review and send yourself — it does not file disputes, and responding completely does not guarantee a particular result.
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