Tennessee Code Title 47. Commercial Instruments and Transactions § 47-9-612

(a) REASONABLE TIME IS QUESTION OF FACT. Except as otherwise provided in subsection (b), whether a notification is sent within a reasonable time is a question of fact.

(b) 10-DAY PERIOD SUFFICIENT. A notification of disposition sent after default and ten (10) days or more before the earliest time of disposition set forth in the notification is sent within a reasonable time before the disposition.