नानर्णसमवाये तु नैकं द्वौ युगपदभिवदेयातामन्यत्र प्रतिष्ठमानात् ॥ कZ_०३.११.१९ ॥
nānarṇasamavāye tu naikaṃ dvau yugapadabhivadeyātām anyatra pratiṣṭhamānāt
In a debt case involving multiple debtors/creditors, two persons shall not simultaneously address (plead before) the court for one side; except where a duly authorized representative is formally appointed.
It prevents disorder and contradictory statements by ensuring a single, accountable voice per party, unless a formally recognized representative is appointed.