अमात्यसम्पदोपेतो निसृष्टार्थः ॥ कZ_०१.१६.०२ ॥
amātyasampadopeto nisṛṣṭārthaḥ
(He should be) endowed with the qualities of a minister, and entrusted with the objective (of the mission).
Because diplomacy requires judgment, discretion, and reliability akin to a minister; the envoy is entrusted with achieving a defined mission objective (artha).