Louisiana Children's Code Tit. VI, Art. 641. Service and return; nonresident parent

A. If a parent does not reside within this state, service of the petition and notice, and summons if issued by the court, shall be made not less than five days prior to commencement of the adjudication hearing on the matter by any of the following means:

B. If service was made by certified mail, the person effecting the service shall file the return receipt as proof of service.

C. Service by electronic mail is complete upon transmission but is not effective if the serving party learns the transmission did not reach the party to be served.