The Brahmana who partakes of oblations offered to departed Manes, in course of the dark fortnight, is purified by fasting for a whole day and night.
कृष्णपक्षे तु यः श्राद्धं पितॄणामश्नुते द्विजः। अन्नमेतदहोरात्रात् पूतो भवति ब्राह्मणः॥