S.C. Code Ann. § 11-11-50

On or before the first day of December, annually, the Comptroller General shall furnish to the Governor an estimate of the financial needs of the State, itemized in strict accordance with the budget classifications adopted by the Governor and certified and approved by the presiding officer of each House for each year beginning with the first day of July thereafter; and he shall also furnish an estimate of the financial needs of the judiciary, as provided by law, itemized in strict accordance with the budget classification adopted by the Governor, for each year, beginning with the first day of July thereafter. The Comptroller General shall transmit to the Governor with these estimates full and detailed explanations of all increases or decreases. These estimates together with the accompanying explanations of increases and decreases shall be included in the budget by the Governor without revisions, but with its recommendations thereon.