La. Stat. tit. 2 § 7
The department shall assist in the development of aviation and aviation facilities for the purpose of safeguarding the interests of those engaged in all phases of the industry and of the general public and of promoting aeronautics. Accordingly, the department may expend any or all the moneys allocated and deposited for the acquisition or enlargement by purchase, grant, lease, condemnation, or other means, and for the construction, operation, and maintenance of airports, landing fields, or emergency landing strips, or of other aeronautic facilities or services for the safety and advancement of aeronautics, which shall include the joint establishment or provision of such aeronautic facilities or services in cooperation with other state or federal departments or with other political subdivisions.
La. R.S. § 2:7
SEE ACTS 1985, NO. 889, §3.