The parties to a hearing, investigation, or other proceeding before the Commission may, by stipulation in writing filed with the Commission, agree upon the facts or any of the facts involved therein, which stipulation, if filed, shall be regarded and used as evidence at the hearing, investigation, or other proceeding. The Commission may, nevertheless, require such additional evidence as it may deem necessary.
Md. Code Regs. 20.07.02.01