Del. Code tit. 10, § 9522

The writ of summons in an action under this subchapter shall be issued under the seal of the Justice of the Peace Court, dated on the day it is issued, stating the sum demanded, and the date for the defendant’s appearance, which shall be made by the filing of any written motion or pleading purporting to be responsive to, or affecting, the complaint, no later than 15 days from the date received.