Board of Housing and Community Development; stakeholder advisory group; report. Directs the Board of Housing and Community Development (the Board) to convene a stakeholder advisory group including fire code officials to evaluate and recommend revisions to the Uniform Statewide Building Code to permit Group R-2 occupancies to be served by a single exit, provided that the building has not more than six stories above grade plane. The bill requires the stakeholder advisory group to submit its findings and recommendations to the Board and to the Chairmen of the House Committee on General Laws and the Senate Committee on General Laws and Technology no later than December 1, 2024.