अनेनैवोपायेन नान्येन इति नियोगः ॥ कZ_०९.७.७४ ॥
anenaivopāyena nānyena iti niyogaḥ
‘Dengan cara ini saja, bukan dengan yang lain’—inilah niyoga (ketetapan tetap).
When the situation has a clear best instrument and deviation increases risk—policy is mandated rather than discretionary.