Del. Code Ann. tit. 18, § 2913
There shall be a provision that unless:
the policy will be reinstated at any time within 3 years (or 2 years in the case of industrial life insurance policies) from the date of premium default upon written application therefor, the production of evidence of insurability satisfactory to the insurer, the payment of all premiums in arrears with interest at a rate not exceeding 6% per annum compounded annually, and the payment or reinstatement of any indebtedness to the insurer upon the policy with interest as provided in § 2911 of this title.
18 Del. C. 1953, § 2913; 56 Del. Laws, c. 380, § 1; 63 Del. Laws, c. 399, § 2