Brihat Parashara Hora Shastra
कर्मेशे नाशराशिस्थे रन्ध्रेशे कर्मसंस्थिते । पापग्रहेण संयुक्ते दुष्कर्म निरतो भवेत् ॥ १७॥
One will indulge in bad acts, if Karm‟s Lord is in Randhr Bhava, while Randhr‟s Lord is in Karm Bhava with a malefic.
english translation
karmeze nAzarAzisthe randhreze karmasaMsthite । pApagraheNa saMyukte duSkarma nirato bhavet ॥ 17॥
hk transliteration by Sanscript