(a) The members of the State Highway Commission and the Director of State Highways and Transportation, before entering upon the discharge of their duties, shall take oaths that they will faithfully and honestly execute the duties of their offices during their continuance therein.
(b) All employees of the commission shall take the following oath before assuming the duties of their employment:
(c) All suits involving the validity of subsection (b) of this section or any portion thereof shall be deemed matters of public interest and shall be advanced and disposed of at the earliest possible moment, and appeals in these suits must be taken and perfected within thirty (30) days from the date of the judgment or decree.