Matsya Purana 58.12

58.12

śubhastatrāṣṭa hotāro dvārapālāstathāṣṭa vai.
aṣṭau tu jāpakāḥ kāryyāḥ brāhmaṇā vedapāragāḥ.. 58.11 ..

Then eight Brâhmaṇas, versed in the Vedas, should be employed as sacrificial priests (hotâ), eight as warders and another eight as Jâpakas.—11.