Skanda Purana 17.18.228

17.18.228

brahmabandhau ca yaddataṃ yaddattaṃ vṛṣalīpatau ..
vedavikrayake caiva kṛtaghne grāmayājake .. 228 ..

what is given to a nominal brahmin, and what is given to the husband of a Śūdra woman; / to a seller of the Veda, an ungrateful person, and a priest who sacrifices for an entire village;