CheckDispute Guides

Your dispute letter came back: what to check before resending CheckDispute · Sources checked September 20, 2026 A returned envelope is a routing problem with a readable label: USPS marks the piece with the reason it could not be delivered, and that endorsement tells you what to fix. Read it literally, fix the one thing it names, verify the recipient, and resend one clean letter — not three in flight. Step one: read the endorsement USPS endorses undeliverable mail with the reason for nondelivery, per DMM 507 . The endorsements a dispute letter realistically draws, with their exact meanings: Endorsement What it means Attempted—Not Known Delivery attempted; addressee not known at place of address Insufficient Address Missing number, street, box or city/state; correct address not known Moved, Left No Address Addressee moved, filed no change-of-address order No Such Number / No Such Street Addressed to a nonexistent number or street Not Deliverable as Addressed—Unable to Forward Undeli...

What "Delivered" means on a certified-mail dispute CheckDispute · Sources checked September 20, 2026 A delivery scan is a fact about a mailpiece: USPS delivered an envelope to an address on a date, and that is all it says. The FCRA's 30-day reinvestigation period runs from the date the agency receives the notice of dispute. Those are related events — they are not the same event, and the gap between them is where most of the confusion lives. What the scan establishes — and what it does not USPS Tracking reports the date and time of delivery or of a delivery attempt, per the USPS mail manual . Certified Mail gives the sender a mailing receipt and electronic verification of delivery or attempt; the return receipt adds to whom it was delivered, the date, and the actual delivery address. What it does not establish: who opened the envelope, when the agency logged the dispute internally, or that a reinvestigation has started. USPS's responsibility ends at delivery, per...

Certified mail vs. first-class for a credit dispute: what each service proves CheckDispute · Sources checked September 20, 2026 The choice is not about speed or legal force — no federal source conditions a dispute on a mail class. It is about evidence: which service produces which record, and whether that record proves sending or proves delivery. Here is the comparison, priced, with the statutory rule sitting next to it. Do you have to send dispute letters certified mail? No. The reinvestigation duty under 15 U.S.C. §1681i is triggered when the agency receives your notice of dispute — nothing in it names a mail class. The CFPB frames certified mail as a choice you can make so you have a record the letter was received, and the FTC recommends it for the same reason. Good record-keeping — not a legal precondition. What each service actually proves Prices below are what the USPS extra-services page listed when checked on September 20, 2026 — confirm current prices at usps.com befo...