Matsyapurana 101.70

101.70

anagnipakkam aśnāti tṛtīyāyāṃ tu yo naraḥ
gāṃ dattvā śivamabhyeti punarāvṛttidurlabham
iha cānandakṛtpuṃsāṃ śreyovratamidaṃ smṛtam //

One who takes the uncooked eatables on the third day of each month, and then gives away cows, goes to the realm of Śiva, after being liberated from the cycle of birth. This is (49) Kalyâṇa (or Śreyô) Vrata, the giver of happiness.—70.