Delaware Code Title 15. Elections § 2049. Change of party designation;  procedure

(a) Any duly registered voter may apply to change that registered voter's political affiliation by completing and submitting a voter registration application to the Department except in the year of a general election during the period from the last Saturday in May through the day of the primary election.  The application shall be upon a form provided by the Commissioner and shall be signed by the registrant and returned by mail or delivered to the Department.  An appropriately addressed envelope shall be supplied by the Department for return of the executed application.  Upon receipt of the executed application, the Department shall cause the signature to be compared with the original registration record of such applicant, and if such signature appears to be the same, such change of affiliation shall be made in the voter registration records and the applicant shall be immediately notified.  If the Department is not satisfied as to the signature on the application, the applicant shall be notified by mail to appear at any office of the Department to answer under oath such questions as may be deemed necessary.

(b) Applications received that change a person's political party affiliation during a period in which a person may not change that person's own political party affiliation in accordance with provisions of this title shall be held by the Department and processed when the period to change a person's political party affiliation reopens.

(c) Notwithstanding subsection (a) of this section a person may change his or her party affiliation in the year of a general election during the period from the last Saturday in May through September 1 if: