विरूपाणां वा तापनमुदकपेषणं च बहुशः कुर्यात् ॥ कZ_०२.१४.५२ ॥
virūpāṇāṃ vā tāpanam udakapeṣaṇaṃ ca bahuśaḥ kuryāt
For articles of irregular appearance (suspect/defective), one should repeatedly apply tests such as heating and grinding in water.
Repeat testing reduces false acceptance/rejection, deters manipulation, and strengthens the evidentiary basis of administrative decisions on valuation and fraud.