Agniveshyagrihyasutra 3.7.3.3

3.7.3.3

so cedahute prātaragnihotre 'vyuṣṭāyāmamāvāsyāyāṃ preyāt tadānīmevāsya tūṣṇīṃ prātaragnihotraṃ yādṛk kīdṛk ca hotavyaṃ tadānīmevāsya tūṣṇīmamāvāsyāyāṃ yādṛśīṃ kīdṛśīṃ vā yajeta \

If he should die while the morning Agnihotra is yet unoffered [and] before the dawn of the new-moon day, then at that very moment his morning Agnihotra should be offered silently, whatever sort it may be, and at that very moment his new-moon sacrifice should be performed silently, whatever sort it may be.