Tenn. Code Ann. § 47-9-802: Savings clause

(a) Pre-effective-date transactions or liens. Except as otherwise provided in this part, this act applies to a transaction or lien within its scope, even if the transaction or lien was entered into or created before this act takes effect.

(b) Pre-effective-date proceedings. This act does not affect an action, case, or proceeding commenced before this act takes effect.