Louisiana Revised Statutes Tit. 12, § 245. When merger or consolidation effective

A. A merger shall be effective when the joint agreement or certificate has been recorded by the Secretary of State, and when compliance has been had with the requirements for effectiveness of the laws under which any foreign corporations involved were formed, as of the time of filing of the agreement or certificate with the Secretary of State, or as of any later effective time, not more than thirty days after the date of such filing, stated in the agreement or certificate.

B. A consolidation shall be effective, when the joint agreement and the articles have been recorded in the office of the Secretary of State, and when compliance has been had with the requirements for effectiveness of the laws under which any foreign corporations involved were formed, as of the time of filing of the agreement and articles with the Secretary of State, or as of any later effective time, not more than thirty days after the date of such filing, stated in the agreement.