La. Legislature and Laws § 24:73
When a final emergency interim successor exercises the powers and assumes the duties of a legislator, he shall be accorded the privileges and immunities, compensation, allowances and other perquisites of office to which a legislator is entitled. In the event of an attack, each emergency interim successor, whether or not called upon to exercise the powers and assume the duties of a legislator, shall be accorded the privileges and immunities of a legislator while traveling to and from a place of session and shall be compensated for his travel in the same manner and amount as a legislator. This Section shall not in any way affect the privileges, immunities, compensation, allowances or other perquisites of office of an incumbent legislator.
La. Legislature and Laws § 24:73