मन्त्री चैषां वृत्तिकर्मभ्यां वियतेत ॥ कZ_०१.११.२० ॥
mantrī caiṣāṃ vṛttikarmabhyāṃ viyateta
And the minister should be kept separate from their maintenance (pay/support) and from their operational tasks.
It limits capture and misuse—ministers cannot privately ‘own’ agents through patronage or direct them for factional ends.