Maryland Code, Insurance § 15-922

(b) A carrier or other entity may provide a commission or other compensation to an insurance producer or other representative for the sale of a Medicare supplement policy or certificate only if the first year commission or other first year compensation is not more than 200% of the commission or other compensation paid for selling or servicing the Medicare supplement policy or certificate in the second year or period.

(c) A carrier or other entity must provide the same commission or other compensation in subsequent renewal years as the commission or other compensation provided in the second year or period and for no fewer than 5 renewal years.

(d) If an existing Medicare supplement policy or certificate is replaced, the carrier or other entity may not provide to its insurance producers or other producers, and an insurance producer or other producer may not receive, compensation greater than the renewal compensation payable by the succeeding carrier on renewal Medicare supplement policies or certificates.