कालायसपिण्डः पञ्चभागक्षयः ॥ कZ_०४.१.४१ ॥
kālāyasapiṇḍaḥ pañcabhāgakṣayaḥ
一块铁锭(kālāyasa)应按五分之一(20%)予以折减[作为允许的损耗/不足]。
The state recognizes material-specific processing loss/impurity risks and encodes them into uniform valuation rules to reduce bargaining and manipulation.