I can't speak for KY as I am in IN, but under the Revised Article 9, it's my undestanding you can no longer perfect a lien in a consumer deposit account.
What we do is list the CD by number in the security agreement, have the borrower sign the assignment, take possesion of the CD and put a system hold on the CD.
We do the same for our commercial loans.
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The opinions expressed are mine and they are not to be taken as legal advice.