नानृजुः क्षुयान्नाद्यान्न शयीत, न वेगितोऽन्यकार्यः स्यात्, न वाय्वग्निसलिलसोमार्कद्विजगुरुप्रतिमुखंनिष्ठीविका(वात)वर्चोमूत्राण्युत्सृजेत्, न पन्थानमवमूत्रयेन्न जनवति नान्नकाले, न जपहोमाध्ययनबलिमङ्गलक्रियासुश्लेष्मसिङ्घाणकं मुञ्चेत् ॥२१॥
[Codes for following natural urges] -One should not sneeze, eat and sleep in curved position. -One should not be engaged in other works while urge for the natural urges.(One should pass natural urge first and then do other works). -One should not spit out sputum, pass feces and urine in front of the winds, fire, water, the moon, the sun, Brahmins and the preceptors. -One should not urinate on the road, in crowded (public) places and while taking food. -One should not let out oral or nasal excreta at the time of recitation of mantras, oblation, studies, and sacrifice, religious and auspicious acts.
english translation