Agniveshyagrihyasutra 2.6.6.25

2.6.6.25

pītvocchiṣṭaṃ nidhāya amṛtāpidhānamasi ityācamanīyenācamya upavītaṃ gāmabhimantrayate jahi me pāpmānamupavettuśca iti \

Having drunk it and set down the remainder, having sipped with the water for sipping, saying: "You are the covering of ambrosia," he, wearing the sacred thread, consecrates the cow, saying: "Destroy my evil and that of the receiver."