कालायसपिण्डः पञ्चभागक्षयः ॥ कZ_०४.१.४१ ॥
kālāyasapiṇḍaḥ pañcabhāgakṣayaḥ
Un lingote (masa) de hierro (kālāyasa) debe descontarse en una quinta parte (20%) [como merma/deficiencia permitida].
The state recognizes material-specific processing loss/impurity risks and encodes them into uniform valuation rules to reduce bargaining and manipulation.