पलहीनातिरिक्ते द्वादशपणो दण्डः ॥ कZ_०४.२.०४ ॥
palahīnātirikte dvādaśapaṇo daṇḍaḥ
If the measure is short or excess by one pala, the fine is twelve paṇas.
It creates predictable enforcement and reduces discretion/corruption by tying punishment to measurable violations.