A tribunal of the Commonwealth exercising personal jurisdiction over a nonresident in a proceeding under this chapter, under other law of the Commonwealth relating to a support order, or recognizing a foreign support order may receive evidence from outside the Commonwealth pursuant to § 20-88.59, communicate with a tribunal of another state outside the Commonwealth pursuant to § 20-88.60 and obtain discovery through a tribunal outside the Commonwealth pursuant to § 20-88.61. In all other respects, Articles 5 through 9 (§ 20-88.44 et seq.) do not apply and the tribunal shall apply the procedural and substantive law of the Commonwealth.