The Law Code of Yājñavalkya 1.10.79

1.10.79

ardhādhānapakṣe tv aupāsanāgnisadbhāvād āhitāgner anāhitāgner ivaupāsanāgnāv evāgnaukaraṇahomaḥ | evam anvaṣṭakādiṣu triṣv api piṇḍapitṛyajñakalpātideśāt | kāmyādiṣu caturṣu brāhmaṇapāṇāv eva homaḥ | yathāhur gṛhyakārāḥ |

Under the alternative of establishing half the fires (ardhādhāna), however, because the domestic fire exists, the offering into the fire for one who maintains the sacred fires is made into the domestic fire alone, just as for one who does not maintain the sacred fires. Likewise, in all three rites beginning with the anvaṣṭakya, because of the transfer (atideśa) of the ritual procedure of the piṇḍapitṛyajña. In the four rites beginning with the optional (kāmya), the offering is made into the hands of the Brahmins alone. As the authors of the Gṛhyasūtras say: