business letter formats samples

where can I get confirmation letter of termination of health insurance?
One of our employee need a confirmation letter for termination of health insurance due to swich insurance company.
Please get me sample business format letter…
Thank you
employee wants me to write a sample letter that his insurance will be terminate next month.
I need sample letter…
The health insurer should be providing the letter called “evidence of credible coverage”, with the termination date on it.
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