Matsya Purana 59.14

59.14

snātaḥ śuklāmbarastadvat yajamāno'bhipūjayet.
gobhirvibhavataḥ sarvān‌ ṛtvijastān‌ samāhitaḥ.. 59.12 ..

Afterwards the worshipper should bathe with water, taken from the above pitchers, and wear white garments, and then with a peaceful mind should confer on the officiating priestes the cows, the riches, bedsteads, sacred threads, bracelets, rings of gold, clothes, sandals, along with other things, and feed them on milk for four days.—13-14.