Mahabharata 12.11.12

मन्त्रोऽयं जातकर्मादि ब्राह्मणस्य विधीयतेजीवतो यो यथाकालं श्मशाननिधनादिति

mantro'yaṃ jātakarmādi brāhmaṇasya vidhīyatejīvato yo yathākālaṃ śmaśānanidhanāditi

Our plain-language meaning of this verse is waiting for scholar review.