Manusmriti

siva.sh/manusmriti/11/173

अमानुषीषू पुरुष उदक्यायामयोनिषु । रेतः सिक्त्वा जले चैव कृच्छ्रं सान्तपनं चरेत् ॥ १७३ ॥

sanskrit

A man who has committed a bestial crime, or an unnatural crime with a female, or has had intercourse in water, or with a menstruating woman, shall perform a Samtapana Krikkhra.

english translation

amAnuSISU puruSa udakyAyAmayoniSu | retaH siktvA jale caiva kRcchraM sAntapanaM caret || 173 ||

hk transliteration by Sanscript