Agniveshyagrihyasutra 2.7.8.20

2.7.8.20

yadi sūtako mṛtako bhavet tanmadhye homaṃ na karoti sthālīpākaṃ ca tānyāhāni \

If there should be impurity from birth or impurity from death, during that period one does not perform the homa offering and the boiled rice offering on those days.