Aśauca-vidhi (Rules of Impurity) within Śrāddha-kalpa — Chapter on Testing/Selecting Brahmanas and Honoring the Atithi
अन्तर्जानूपविष्टेन तद्वदाचमनं भवेत् / मुण्डाञ्जटिलकाषायाञ्श्राद्धकर्मणि वर्जयेत्
antarjānūpaviṣṭena tadvadācamanaṃ bhavet / muṇḍāñjaṭilakāṣāyāñśrāddhakarmaṇi varjayet
当以内收双膝而坐,如法行净口(ācaman);于施祖仪(śrāddha)中,当避开剃发者、结发(jaṭā)者与着赭衣(kāṣāya,出家相)者。