The Secretary shall prepare for the Governor a draft of the proposed budget. The draft shall: be comprehensive; eliminate duplication and conflict; and include each item that the Governor is required by law to include in a proposed budget. The Secretary shall include in the draft items for capital improvements. The Secretary may specify: the form to be used by a unit of the Executive Branch of the State government or a private entity to request an appropriation from the State; information that must be submitted with the form; and the time for submission of the form.