Maryland Code, Insurance § 15-1406

(1) require a carrier to provide particular benefits other than those provided under the terms of the particular health benefit plan; or

(2) prevent a carrier from establishing limitations or restrictions on the amount, level, extent, or nature of the benefits or coverage for similarly situated individuals enrolled in the health benefit plan.

(1) the employee or dependent was covered under an employer-sponsored plan or group health benefit plan at the time coverage was previously offered to the employee or dependent;

(2) the employee states in writing, at the time coverage was previously offered, that coverage under an employer-sponsored plan or group health benefit plan was the reason for declining enrollment, but only if the plan sponsor or issuer requires the statement and provides the employee with notice of the requirement;

(3) the employee's or dependent's coverage described in item (1) of this subsection:

(4) under the terms of the plan, the employee requests enrollment not later than 30 days after: