Revākhaṇḍa ascribed to the Vāyupurāṇa (RKV) 156.23

156.23

mucyate sa mahatpāpaiḥ saptajanmasusaṃcitaiḥ /
uṣṭrīkṣīramavikṣīraṃ navaśrāddhe ca bhojanam //

is freed from great sins accumulated over seven lifetimes: / [drinking] camel's milk, sheep's milk, and eating at a fresh śrāddha;