Delaware Code Title 18. Insurance Code § 4124. Discriminatory practices prohibited

(1) Based upon the race, religion, nationality, ethnic group, age, sex or marital status of the applicant or named insured;

(2) Based solely upon the lawful occupation or profession of the applicant or named insured, except that this provision shall not apply to an insurer, agent or broker which limits its market to 1 lawful occupation or profession or to several related lawful occupations or professions;

(3) Based upon the age or location of the residence of the applicant or named insured unless such decision is for a business purpose which is not a mere pretext for unfair discrimination;

(4) Based upon the fact that another insurer previously declined to insure the applicant or terminated an existing policy in which the applicant was named insured;

(5) Based upon the fact that the applicant or named insured previously obtained insurance coverage through a residual market insurance mechanism.