There is a Joint Committee on Legislative Ethics, which is a joint committee of the Senate and the House.
Structure Maryland Statutes
Subtitle 7 - Joint Committee on Legislative Ethics
Section 2-701 - "Committee" Defined
Section 2-706 - Duties; Maintenance of Conflict of Interest Filings
Section 2-708 - Referrals Authorized
Section 2-709 - Counsel to the Ethics Committee
Section 2-710 - Citizens' Advisory Board for Legislative Ethics