La. Stat. tit. 39 § 39
The House Committee on Transportation, Highways and Public Works and the Senate Committee on Transportation, Highways and Public Works shall annually meet and function as a joint committee for the purpose of developing a suggested budget for expenditure of monies from the Transportation Trust Fund in the ensuing fiscal year. In development of the budget to be submitted, the Department of Transportation and Development and other agencies, boards, commissions, and departments of the state shall assist the joint committee and furnish such information, reports, aid, services, and assistance as may be requested by the joint committee, all without any cost or charge of any nature to the joint committee. The joint committee shall submit its suggested budget to the House Committee on Appropriations and the Senate Committee on Finance no later than fourteen days after the beginning of each regular session of the legislature for consideration by those committees during budget deliberations.
La. R.S. § 39:39