Atharvavedaparishishta 70.3.3

70.3.3

tuṣyeyur yena vā viprāḥ saṃbhavo yasya yasya hi | tat tat sarvam upādeyam eṣa dānavidhiḥ smṛtaḥ ||

Or by whatever the Brahmins might be pleased, whatever each possesses, / all that should be accepted; this is remembered as the rule of gifts.