अनेनैवोपायेन नान्येन इति नियोगः ॥ कZ_०९.७.७४ ॥
anenaivopāyena nānyena iti niyogaḥ
«بهذه الوسيلة وحدها لا بغيرها»—وهذا هو الإلزام/التعيين الثابت (niyoga).
When the situation has a clear best instrument and deviation increases risk—policy is mandated rather than discretionary.