Okla. Admin. Code § 710:50-12-2
The following words and terms, when used in this Subchapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Debt" means past-due, legally enforceable State income tax obligation unless other indicated.
"Debtor" means a person who owes a state income tax obligation.
"IRS" means the Internal Revenue Service, a bureau of the U.S. Department of the Treasury.
"Past-due, legally enforceable State income tax obligation" means a debt which resulted from:
"Tax refund offset" means withholding or reducing a tax refund overpayment by an amount necessary to satisfy a debt owed by the payee(s).
"Tax refund payment" means any overpayment of Federal taxes to be refunded to the person making the overpayment after the IRS makes the appropriate credits for any liabilities for any Federal tax on the part of the person who made the overpayment.
Added at 22 Ok Reg 1532, eff 6-11-05