पलहीने हीनद्विगुणो दण्डः ॥ कZ_०४.१.३७ ॥
palahīne hīnadviguṇo daṇḍaḥ
पलहीने दण्डो हीनस्य द्विगुणः।
It is a proportional deterrent: the offender loses more than the gain from cheating, making systematic short-weighting economically irrational.