Utah Code Title 70C. Utah Consumer Credit Code § 70C-2-202. Assignment of earnings prohibited

(1) the assignment by its own terms is revocable at the will of the debtor;

(2) the assignment is a payroll deduction plan, commencing at the time of the transaction, in which the debtor authorized a series of wage deductions as a method of making each payment; or

(3) the assignment applies only to wages or other earnings already earned at the time of the assignment.