Natyashastra
देवानां नृपतीनां च दद्यात् सिंहासनं द्विजः । पुरोधसाममात्यानां भवेद्वेत्रासनं तथा ॥ २१५॥
For gods and kings, the Brāhmaṇa (stage manager) should assign the lion-seat (siṁhāsana). For priests (purohitas) and ministers (amātyas), the cane-seat (vetra-āsana) should be given.
english translation
devAnAM nRpatInAM ca dadyAt siMhAsanaM dvijaH । purodhasAmamAtyAnAM bhavedvetrAsanaM tathA ॥ 215॥
hk transliteration by Sanscript