A tribunal of this state exercising personal jurisdiction over a nonresident in a proceeding under this Chapter, under other law of this state relating to a support order, or recognizing a foreign support order may receive evidence from outside this state pursuant to Article 1303.16, communicate with a tribunal outside this state pursuant to Article 1303.17, and obtain discovery through a tribunal outside this state pursuant to Article 1303.18. In all other respects, Sections 3 through 6 do not apply, and the tribunal shall apply the procedural and substantive law of this state.
La. Ch.C. § 1302.10