Delaware Code (Titles 8, 9, 25, 30)
30 Del. C. § 548 — Paid tax preparers; required information on returns and claims for refund
Any return or claim for refund prepared by a paid tax preparer, as that term is defined under § 502(b) in this title, shall be signed by the paid tax preparer and shall bear the paid tax preparer’s tax identification number.
Source: official text