Miss. Code § 27-103-137
The Legislative Budget Office shall hold such hearings as may be necessary to determine the actual budget requirements of the agencies. The state fiscal management board and the governor's budget officer shall be notified of such hearings and the board and any staff members of the board and of the governor's office may attend such hearings in order to give the governor adequate information on which to base any budget recommendations he may desire to submit to the legislature. The Legislative Budget Office shall have made a sufficient number of copies of its proposed budget in order that the data contained therein will be available to the members of the Legislature for consideration, and to provide a copy for each state agency included in the budget proposal, and shall forward a copy to each member or member-elect of the Legislature and to each state agency on or about December 15 of each year.
Miss. Code § 27-103-137