Please Correct punctuation errors, only. Thank you!

Subject: Policy 27380

Your insurance program, Policy 27380 is enclosed. We advise you to add this valuable document to your other important papers.

Please review your certificate carefully. If you have any questions concerning this plan of coverage, contact your agent Michael Rossi. You may rely upon his advice.

When it is necessary to depend upon the protection of this program, you will find that our payments are prompt and satisfactory.

Add comma after "27380"

Everything else is fine.

All I see is that you need a comma after "your agent."

Andrew is right -- comma is needed after "agent" too.

Thank you :)

Subject: Policy 27380

Your insurance program, Policy 27380, is enclosed. We advise you to add this valuable document to your other important papers.

Please review your certificate carefully. If you have any questions concerning this plan of coverage, contact your agent, Michael Rossi. You may rely upon his advice.

When it is necessary to depend upon the protection of this program, you will find that our payments are prompt and satisfactory.