Mahabharata 13.116.60

कौमुदे तु विशेषेण शुक्लपक्षे नराधिपवर्जयेत्सर्वमांसानि धर्मो ह्यत्र विधीयते

kaumude tu viśeṣeṇa śuklapakṣe narādhipavarjayetsarvamāṃsāni dharmo hyatra vidhīyate

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