Maryland Code, Insurance § 15-1A-16

(a)(1) For purposes of this section, “medical loss ratio”:

(2) To the extent necessary, the Commissioner shall adopt regulations that:

(1) for the large group market, 85% or a higher percentage as determined by the Commissioner in regulations; and

(2) for the small group market and individual market, 80% or a higher percentage as determined by the Commissioner in regulations.

(d)(1) Except as provided in paragraph (2) of this subsection, each carrier shall comply with the requirements for calculating medical loss ratios and related reporting and rebate requirements established in 45 C.F.R. Part 158 and any corresponding federal rules and guidance.

(2) If the Commissioner adopts regulations as described in subsection (e) of this section, each carrier shall comply with the requirements in the adopted regulations.

(1) establish requirements for calculating medical loss ratios and related reporting and rebate requirements; and

(2) are consistent with 45 C.F.R. Part 158 and any corresponding federal rules and guidance as those provisions were in effect December 1, 2023.