श्मशानादन्यत्र न्यासे दहने च द्वादशपणो दण्डः ॥ कZ_०२.३६.३३ ॥
śmaśānād anyatra nyāse dahane ca dvādaśapaṇo daṇḍaḥ
For depositing (a corpse) or cremating it anywhere other than the cremation-ground: the fine is 12 paṇas.
Fire hazards, smoke nuisance, sanitation, and maintaining ritual/public order by concentrating mortuary activity in designated zones.
This is a controllable, often non-violent compliance issue; predictable fines efficiently shape behavior without excessive coercion.