उत्तरः पूर्वो वा श्मशानभागो वर्णोत्तमानाम् दक्षिणेन श्मशानं वर्णावराणाम् ॥ कZ_०२.४.२१ ॥
uttaraḥ pūrvo vā śmaśānabhāgo varṇottamānām dakṣiṇena śmaśānaṃ varṇāvarāṇām
The cremation-ground sector for the higher varṇas should lie to the north or east; to the south should be the cremation-ground for the lower varṇas.
It formalizes civic order and reduces conflict over ritual space, while also managing a socially sensitive, potentially polluting municipal function through regulated siting.