Skandapurana 6.3.146.67

6.3.146.67

yo dadāti dvijaśreṣṭha tasya puṇyaphalaṃ śṛṇu .
tasya te dvādaśābdāni tṛptiṃ yānti na saṃśayaḥ .. 146.67 ..

He who gives them, O best of the twice-born—hear the fruit of his merit:
They attain satisfaction for twelve years; of this there is no doubt.