noun
binder
In plain English
Temporary written evidence that coverage has been bound, used while the actual policy is being issued.
Often issued at the moment you write the application — gives you 30 to 90 days of formal coverage while the carrier finishes the policy. The actual policy supersedes the binder when it arrives.
What it covers
Same coverage as the policy will provide once issued — binder is a placeholder, not a different coverage.
What it does not cover
It is NOT a permanent document. Always confirm the actual policy was issued and arrived. Some agents leave binders open longer than they should.
Where it trips people up
Binders are technically revocable by the carrier within their stated period. If something material changes (a claim happens during the binder period), the carrier can decline to issue.
The technical version
A document evidencing temporary insurance coverage pending issuance of a formal policy, valid for a stated period and superseded by the issued policy.