Dīkṣā-bhedaḥ (Types of Initiation) — Lalitopākhyāna: Hayagrīva–Agastya Dialogue
कृत्वा पुरुषसूक्तेन षोडशैरुपचारकैः / आवाहना सने पाद्यमर्ध्यमाचमनं तथा
kṛtvā puruṣasūktena ṣoḍaśairupacārakaiḥ / āvāhanā sane pādyamardhyamācamanaṃ tathā
Having performed the rite with the Puruṣa Sūkta, one should offer the sixteen services of worship: invocation, offering of a seat, water for washing the feet, arghya, and also water for rinsing the mouth.