COI
Certificate of insurance
Example
Can you verify that they have a COI and the specifications of their policy?

Related Slang
OOP | Out of pocket |
SUI | State Unemployment Insurance |
FDIC | Federal Deposit Insurance Corporation |
FICA | Federal Insurance Contributions Act |
AIR | Assumed interest rate |
HMO | Health maintenance organization |
SUTA | State Unemployed Tax Act |
COI means certificate of insurance, which is the legal document that describes the coverage an insurance company provides for a member. It contains types and limits of coverage, policy number, insurance company, named insured, and the effective periods of the policy.