An elector may vote in the primary election of a political party only if the elector is a duly registered voter and if it appears upon the elector’s original permanent registration record that the elector’s party affiliation is the same as the party which is holding the primary election.
Del. Code tit. 15, § 3110
Qualifications of voters
20 Del
Official source: Delaware Code Online. Reproduced from public-domain Delaware statutes; confirm against the official source for the current text. Not legal advice.