Del. Code Ann. tit. 18, § 3571N
(a) In general. — A group health plan and a health insurer offering group health insurance coverage may not establish rules for eligibility (including continued eligibility) of any individual to enroll under the terms of the plan or coverage based on any of the following health status-related factors in relation to the individual or a dependent of the individual:
(b) Programs of health promotion or disease prevention. — (1) General provisions. — a. General rule. — For purposes of paragraph (b)(2)b. of this section, a program of health promotion or disease prevention (referred to in this subsection as a “wellness program”) shall be a program offered by an employer that is designed to promote health or prevent disease that meets the applicable requirements of this subsection.
(2) Wellness programs not subject to requirements. — If none of the conditions for obtaining a premium discount or rebate or other reward under a wellness program as described in paragraph (b)(1)b. of this section are based on an individual satisfying a standard that is related to a health status factor (or if such a wellness program does not provide such a reward), the wellness program shall not violate this section if participation in the program is made available to all similarly situated individuals. The following programs shall not have to comply with the requirements of paragraph (b)(3) of this section if participation in the program is made available to all similarly situated individuals:
(3) Wellness programs subject to requirements. — If any of the conditions for obtaining a premium discount, rebate or reward under a wellness program as described in paragraph (b)(1)c. of this section is based on an individual satisfying a standard that is related to a health status factor, the wellness program shall not violate this section if the following requirements are complied with:
d. The full reward under the wellness program shall be made available to all similarly situated individuals. For such purpose, among other things:
1. The reward is not available to all similarly situated individuals for a period unless the wellness program allows: