Immediately after the beginning of each regular session of the Legislature, the Governor shall submit to the presiding officer of each house, copies of the budget based upon the investigations and conclusions of the Office of Management and Enterprise Services. Such budget document shall contain a complete and itemized plan of all proposed expenditures for each agency or undertaking classified according to the various cabinet areas designated by the Governor or otherwise created by law. Such expenditures shall be further classified by function, character and object, and in the event such proposed expenditures exceed the estimate made by the State Board of Equalization, the Governor shall accompany the budget document with a proposal of new revenue raising measures sufficient to effect a balanced budget for the ensuing fiscal year.