Every person in the employ of the state of Louisiana or any political subdivision thereof, or in the employ in any capacity of any parish or city school board or any public school, college, university or other institution of higher learning which is supported in whole or in part by public funds of the State of Louisiana, whenever he may or shall be called and sworn as a witness before the Joint Legislative Committee of the Legislature of Louisiana, shall be required to answer under oath whether he has been or is a member of the Communist Party. Refusal to give such information, in which the state of Louisiana has a legitimate interest in securing, in response to questions asked by the chairman, or any member of the Joint Legislative Committee, whenever any legislative investigation is being made or undertaken by the said committee in accordance with the provisions of Article V, Section 17 of the Constitution of the state of Louisiana, shall constitute insubordination on the part of any such employee, and he shall, by reason of such refusal to answer any such question or questions, be subject to dismissal or discharge, in the manner provided by law, from his said employment.
La. Public Officers and Employees § 42:37