Agniveshyagrihyasutra 2.5.6.5

2.5.6.5

hiraṇyagarbhamāvāhayet ityāvāhya pranavena āpo hi ṣṭhā mayobhuva iti tisṛbhiḥ hiraṇyavarṇāḥ śucayaḥ pāvakā iti catasṛbhiḥ pavamānaḥ suvarjana ityetenānuvākena mārjayitvā śuddhānnaṃ brahmaṇe mudgānnaṃ dhātre pītānnaṃ vidhaātre \

He should invoke Hiraṇyagarbha. Having thus invoked them with the sacred syllable Om, having sprinkled [them] with the three [verses]: "O Waters, you are indeed the sources of bliss...", with the four [verses]: "Golden of color, pure, purifying...", and with this section: "The purifying one, the heavenly folk...", [he presents] pure cooked rice to Brahman, bean-rice to Dhātṛ, and yellow rice to Vidhātṛ.