The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons. If the Commission approves the proposed rule change, the MSRB will announce the operative date of the proposed rule change in a regulatory notice to be published on the MSRB website no later than 30 days following Commission approval. Self-Regulatory Organization's Statement of the Purpose of, and Statutory Basis for, the Proposed Rule ChangeIn its filing with the Commission, the MSRB included statements concerning the purpose of and basis for the proposed rule change and discussed any comments it received on the proposed rule change. [ ] In accordance with this policy, the MSRB evaluated the potential impacts of the proposed rule change relative to the baseline, which is the current MSRB Rule G-27. The proposed rule change to MSRB Rule G-27 is intended to foster greater flexibility for municipal market professionals in two separate ways.