Atri Smriti 5.18

5.18

bhavanti pitarastasya tanmāse retaso bhujaḥ
ucchiṣṭe na tu saṃspṛṣṭo dravyahastaḥ kathañcana

his ancestors feed on semen during that month; / one touched by polluted food remnant, however, while holding an object in hand, must not under any circumstances [remain so];