(a) Except as provided in subsection (b), creditors shall be allowed to receive interest at the rate of 10% per annum when no other rate of interest is agreed upon, for any money after it becomes due; for money lent or money due on settlement of account, from the day of liquidating the account and ascertaining the balance; for money received for the use of another and retained without the owner’s knowledge of the receipt; for money due and withheld by an unreasonable and vexatious delay of payment or settlement of accounts; for all other money due and to become due for the forbearance of payment whereof an express promise to pay interest has been made; and for money due from corporations and individuals to their daily or monthly employees, from and after the end of each month, unless paid within 15 days thereafter.

(b) In all civil tort actions filed on or after July 1, 2023, underchapter 60 of the Kansas Statutes Annotated, and amendments thereto, in which the court determines that prejudgment interest shall be awarded, the judgment creditor shall be allowed to receive interest at the rate per annum of two percentage points below the rate per annum specified in Kan. Stat. Ann. § 16-204(e)(1), and amendments thereto.