La. Stat. tit. 18 § 1277
Immediately after the results of the election for United States senator and representatives in Congress become official, the secretary of state shall separately certify the votes cast for United States senator and for each representative in Congress who was elected. Each such certificate shall be signed by the governor and by the secretary of state. Thus certifying the election of the persons determined to have been elected, the governor shall cause the seal of the state to be affixed to each certificate. One copy of the appropriate certificate shall be delivered to each person elected. Another copy of the certificate of the election of the United States senator shall be transmitted by the governor to the President of the United States Senate. A copy of each certificate of the election of representatives in Congress shall be transmitted by the governor to the House of Representatives of the Congress of the United States, directed to the clerk thereof.
La. R.S. § 18:1277