Del. Code Ann. tit. 19, § 3727
If any person liable to pay any assessment, interest, or penalty under this title or other title subject to this chapter neglects or refuses to pay such amount after a judgment has been obtained pursuant to § 3718 of this title, or otherwise, the Department may execute upon such judgment as provided herein.
The Department may issue a warrant directed to the sheriff of any county of this State commanding the sheriff to levy upon and sell the personal or real property of the debtor for the payment of the amount of the judgment and the cost of executing the warrant. The sheriff must return the warrant to the Department and pay to the Department the money collected by virtue thereof within 60 days after receipt of the warrant. A copy of the warrant must be filed with the Prothonotary and noticed on the regular judgment docket. All sales of real and personal property under authority of this section must be made pursuant to the provisions of Title 10.
The Department 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 Department 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 must be filed with the prothonotary and the fact of the garnishment noticed on the regular judgment docket.
The Department may issue a notice of garnishment directed to a person owing to or holding for an employer who is a judgment debtor any wages, salaries, money, credits and effects, contract rights, or securities. The notice of garnishment must command the garnishee to set aside, account for, and pay over to the Department on account of the judgment all property then in the garnishee’s possession or which may become due to the judgment debtor by the garnishee, until the judgment and costs of execution are paid. A copy of the notice of garnishment or an abstract thereof must be filed with the prothonotary of Superior Court and the fact of the garnishment noticed on the regular judgment docket. The Department must notify the garnishee in writing when the judgment and costs have been satisfied.
(e) Duties of garnishee and penalties for failure to garnish. —