विशेषेण तु भृत्येषु तदाज्ञालेखलक्षणम् ॥ कZ_०२.१०.४०च्द् ॥
viśeṣeṇa tu bhṛtyeṣu tad ājñālekhalakṣaṇam
—then, especially in matters concerning state servants (bhṛtya), it bears the character of a written command (ājñā-lekha).
Written commands create traceability, reduce deniability, and make enforcement (discipline or reward) auditable within the administrative hierarchy.