After coverage has been in effect for more than 60 days or after the effective date of a renewal policy a notice of cancellation shall not be issued unless it is based upon at least 1 of the following reasons:
(1) Nonpayment of premium;
(2) Discovery of fraud or material misrepresentation made by or with the knowledge of the named insured in obtaining the policy, continuing the policy or in presenting a claim under the policy;
(3) Discovery of wilful or reckless acts or omissions on the part of the named insured which increase any hazard insured against;
(4) The occurrence of a change in the risk which substantially increases any hazard insured against after insurance coverage has been issued or renewed;
(5) A violation of any local fire, health, safety, building or construction regulation or ordinance with respect to any insured property or the occupancy thereof which substantially increases any hazard insured against;
(6) A determination of the Insurance Commissioner that the continuation of the policy would place the insurer in violation of the insurance laws of this State;
(7) Real property taxes owing on the insured property have been delinquent for 2 or more years and continue delinquent at the time notice of cancellation is issued.
Structure Delaware Code
Chapter 41. PROPERTY INSURANCE CONTRACTS
Subchapter III. Declinations, Renewals and Cancellations of Property Insurance Contracts
§ 4123. Permissible cancellations.
§ 4124. Discriminatory practices prohibited.
§ 4126. Civil liability and actions; limitation.
§ 4130. Nonrenewal [For application of this section, see 79 Del. Laws, c. 390, § 8].