Adhyaya 89: शौचाचारलक्षणम् — सदाचार, भैक्ष्यचर्या, प्रायश्चित्त, द्रव्यशुद्धि, आशौच-निर्णय
वर्जयेत्सर्वयत्नेन वासो ऽन्यैर् विधृतं द्विजाः कौशेयाविकयो रूक्षैः क्षौमाणां गौरसर्षपैः
varjayetsarvayatnena vāso 'nyair vidhṛtaṃ dvijāḥ kauśeyāvikayo rūkṣaiḥ kṣaumāṇāṃ gaurasarṣapaiḥ
द्विजाः, अन्यैर्विधृतं वासः सर्वयत्नेन वर्जयेत्। कौशेयाविकयो रूक्षैः, क्षौमाणां च गौरसर्षपैः (लेपितैः) परिहरेत्॥
Suta Goswami (narrating Shiva-puja injunctions to the sages of Naimisharanya)
It establishes śauca (ritual purity) as a prerequisite for Linga-pūjā: the worshipper should avoid second-hand or ritually tainted clothing and coarse, impurity-associated fabrics so the offering to Pati (Śiva) is made with disciplined cleanliness.
By demanding careful purity, it implies Śiva as Pati—the supremely pure consciousness—approached through regulated conduct; the pashu (bound soul) loosens pāśa (impurity and negligence) by aligning outer actions with inner reverence.
It highlights pūjā-vidhi and ācāra: maintaining bodily and material cleanliness (especially clothing) as a supportive limb of Pāśupata-oriented discipline that steadies the mind for mantra, abhiṣeka, and worship.