Why write to the collector at all?
A collection entry can lower your credit score and stay on your report for 7 years
It will not disappear by itself.
is the simplest and safest way to stop the collector and check whether they actually have the required documents.
In many cases, this step alone is enough:
if no proof exists, the entry may be reconsidered without further actions.
This is not a guarantee of outcome —
but it is the official legal mechanism for checking the accuracy of data.
An Important Industry Fact
Many collectors buy debts in bulk, often with limited documentation.
Sometimes, they do not have the full set of documents supporting the debt.
— collection activity must temporarily pause until they respond.
— the Validation Letter becomes a formal request for information.
the information can be disputed
credit bureaus may reconsider the entry if it is not verified
within 30 days after the first written contact