Senate committee substitute makes the following changes to 1st edition. Deletes requirement that the Study Commission meet at various locations around the state. Provides that the Study Commission may make (was, shall make) an interim report to the 2012 Regular Session of the 2011 General Assembly. Provides that the Study Commission is to terminate on December 31, 2012, or upon the filing of its final report, whichever comes first (was, terminate upon the filing of the final report). Deletes requirement that the Legislative Services Commission allocate sufficient funds for the Study Commission’s expenses from the funds appropriated to the General Assembly. Makes additional technical and organizational changes.