As per tradition, it is the same YAjnavalkya Maharishi who propagated the SUkla Yajur Veda is the Author of the YAjnavalkya smruti .
Let us remember the opening verse of YAjnavalkya smruti :
YogISvaram YAjnavalkyam sampUjya munayo abruvan !
varNASrametarANAm no bruhi dharmAnaSeshatah !!
After properly worshipping YAjnavalkya Maharishi , the best among the Yogis, the Sages asked him to explain them fully the dharmas pertaining to VarNA , ASrama and others.
Om namah parama Rishibhyo nama: parama Rishibhya:!
Let us remember the opening verse of YAjnavalkya smruti :
YogISvaram YAjnavalkyam sampUjya munayo abruvan !
varNASrametarANAm no bruhi dharmAnaSeshatah !!
After properly worshipping YAjnavalkya Maharishi , the best among the Yogis, the Sages asked him to explain them fully the dharmas pertaining to VarNA , ASrama and others.
Om namah parama Rishibhyo nama: parama Rishibhya:!