Kautilya's Arthashastra 2.10.24

2.10.24

sāntvam abhyupapattiś ca bhartsanānunayau tathā /[ś]
eteṣv arthāḥ pravartante trayodaśasu lekhajāḥ //[ś]

Calumniation (nindá), commendation, inquiry, narration request, refusal, censure, prohibition, command, conciliation, promise of help, threat, and persuasion are the thirteen purposes for which writs are issued.