Answer:
I am not sure you are much of a debt collector if you are trying to "serve" a bank a UCC-1. You do not serve anyone a UCC-1. A UCC-1 is filed and recorded at either the county and/or State depending on your jurisdiction and State law. A UCC-1 along with a properly executed security agreement by a borrower, once properly filed, will perfect a lien on the collateral described in both of these documents. It puts other creditors on notice that certain collateral may already be pledged. You need to be a lot more specific about what you are talking about.