अपसर्पाधिष्ठितंच प्रचारम् ॥ कZ_०२.७.०९ ॥
apasarpādhiṣṭhitaṃ ca pracāram.
Pracāra (ronda/inspeksi) harus diawasi oleh apasarpa (pengawas rahasia/agen kontra).
It prevents inspectors and traveling officials from falsifying field reports or colluding locally by adding independent, discreet verification.