Revākhaṇḍa ascribed to the Vāyupurāṇa (RKV) 208.6

208.6

brāhmaṇeṣu ca tīrtheṣu devāyatanakarmasu /
pratiśrutya dadettattadvyavahāraḥ kṛto yathā //

Among brāhmaṇas, at pilgrimage places, and in works for temples of the gods, / having promised, one should give this and that, just as a transaction was made.