The first meeting of the committee shall be held at the call of the co-chairs within fifteen (15) days after the appointment of the members. Thereafter, the committee shall meet at least one (1) time during each regular or adjourned session of the general assembly. Other meetings may be called during or between sessions by the co-chairs at their pleasure or by a majority of the members of the committee. Members of the committee from the senate only or the house of representatives only may meet at the call of the appropriate speaker to consider matters concerning only the senate or the house of representatives, respectively.