atra yaṃ yajamāno dveṣṭi taṃ manasā dhyāyati$athaikeṣām yady agniṣṭomo juhoti yady ukthyaḥ paridhau nimārṣṭi yadi ṣoḍaśī hutvā paridhau lepaṃ nimṛjya droṇakalaśaṃ rarāṭīṃ copaspṛśati na juhoti nopaspṛśati vājapeye 'tirātre ca etad yajur vadan samudyaiva prapadyate