Shiva Purana
स्वसूत्रोक्तविधानेन मंत्राचमनपूर्वकम् ॥ आचरेद्ब्रह्मयज्ञांतं कृत्वा देवादितर्पणम् ॥ १५ ॥
In accordance with the rules prescribed in one’s code he shall perform the rites of Tarpaṇa for the gods beginning with Ācamana and ending with Brahmayajña.
english translation
svasUtroktavidhAnena maMtrAcamanapUrvakam ॥ AcaredbrahmayajJAMtaM kRtvA devAditarpaNam ॥ 15 ॥
hk transliteration by Sanscript