Skandapurana 5.199.28

5.199.28

yāvatsaṃvatsarasyāṃtaṃ tataḥ śuddhirbhaviṣyati ..
jana saṃparkasaṃjātā saivaṃ tasya durātmanaḥ .. 28 ..

until the end of a year; then purification will come to pass / for the defilement arising from contact with that wicked-souled person.”