MānŚS, 2, 1, 3, 4.1 agnīñ jyotiṣmataḥ kuru vratam upehi vratyety uktvā dīkṣitasaṃcareṇātihṛtya dakṣiṇata āhavanīyasya kāṃsye camase vā vrataṃ prayacchati //