Manusmriti

siva.sh/manusmriti/5/98

उद्यतैराहवे शस्त्रैः क्षत्रधर्महतस्य च । सद्यः सन्तिष्ठते यज्ञस्तथाऽशौचमिति स्थितिः ॥ ९८ ॥

sanskrit

By him who is slain in battle with brandished weapons according to the law of the Kshatriyas, a (Srauta) sacrifice is instantly completed, and so is the period of impurity (caused by his death); that is a settled rule.

english translation

udyatairAhave zastraiH kSatradharmahatasya ca | sadyaH santiSThate yajJastathA'zaucamiti sthitiH || 98 ||

hk transliteration by Sanscript