Śatapatha Brāhmaṇa ("of a hundred paths") 4.6.8.14

4.6.8.14

athedaṃ tṛtīyam | gṛhapaterevāraṇyoḥ saṃvadante ya ito 'gnirjaniṣyate sa naḥ saha yadanena yajñena jeṣyāmo 'nena paśubandhena tannaḥ saha saha naḥ sādhukṛtyā ya eva pāpaṃ karavattasyaiva tadityevamuktvā gṛhapatireva prathamaḥ samārohayate 'thetarebhyaḥ samārohayati svayaṃ vaiva samārohayante ta āyanti yatra prājāpatyena paśunā yakṣyamāṇā bhavanti mathitvopasamādhāyoddhṛtyāhavanīyaṃ yajanta etena prājāpatyena paśunā

Its head they keep. If their consecration does not fall on the same day, then, taking up (again) the fires on the churning-sticks, they disperse to their several (homes), and perform (the ordinary) offerings.