(a) Interest shall accrue and be charged on payments overdue under § 12-4-703 at one and one-half percent (1½%) per month beginning on the day after payment is due.(b) Interest which is unpaid at the end of each sixty-day period or at the end of any specified period provided by contract shall be added to the principal amount of the debt and shall thereafter accumulate interest.Acts 1985, ch. 57, § 1.
Tennessee Legal Code