30 Del. C. § 556

(a) In general. — If any person liable to pay any assessed amount of tax, interest, penalty, additional amount or addition to the tax imposed under this title or other titles subject to this chapter neglects or refuses to pay such amount after a judgment has been obtained pursuant to § 554 of this title, or otherwise, the Director may execute upon such judgment as provided herein.

(b) Warrants for levy and sale of property. — The Director may issue a warrant directed to the sheriff of any county of this state commanding such sheriff to levy upon and sell the personal or real property of such person for the payment of the amount of the judgment and the cost of executing the warrant. The sheriff shall return such warrant to the Director and pay to the Director the money collected by virtue thereof within 60 days after receipt of the warrant. A copy of the warrant shall be filed with the Prothonotary and noticed on the regular judgment docket. All sales of real and personal property under authority of this section shall be made pursuant to the provisions of Title 10.

(c) Garnishment of bank accounts. — The Director may issue a notice of garnishment directed to any bank, commanding said garnishee, notwithstanding the provisions of § 3502 or § 4913(b) of Title 10, to set aside, account for, and pay over to the Division of Revenue on account of the debt any property owed to or held for the debtor by said bank. A copy of the notice of garnishment or an abstract thereof shall be filed with the Prothonotary and the fact of the garnishment noticed on the regular judgment docket.

(d) Garnishment of wages, salaries, and other amounts due. — The Director may issue a notice of garnishment directed to any person (other than a bank) owing to or holding for a judgment debtor any wages, salaries, money, credits and effects, contract rights or securities. The notice of garnishment shall command said garnishee to set aside, account for, and pay over to the Division of Revenue on account of the judgment all such property then in its possession or which may become due the judgment debtor by such person from time to time, until the judgment and costs of execution are paid. A copy of the notice of garnishment or an abstract thereof shall be filed with the Prothonotary and the fact of the garnishment noticed on the regular judgment docket. The Director shall notify the garnishee in writing when the judgment and costs have been satisfied.

(e) Duties of garnishee. — A person receiving a notice of garnishment pursuant to subsection (c) or (d) of this section shall respond to the Director or Revenue within 20 days after service of the notice, not counting the date of service. A garnishee who fails to comply with a notice of garnishment may, after notice and assessment pursuant to this chapter, be liable for a penalty equal to the amount the garnishee was instructed to set aside, account for, and pay over to the Division of Revenue. Thirty days after the mailing of the notice of proposed assessment of such penalty, it shall become final, excepting only those amounts for which the garnishee has filed a timely written protest with the Director under § 523 of this title.