विपर्यये बाह्यकृतमुभयत उभयकृतम् ॥ कZ_०४.६.१७ ॥
viparyaye bāhyakṛtam; ubhayata ubhayakṛtam ।
反之,则为外人所为;若两方面都有迹象,则为内外勾结共同所为。
It provides a clear decision rule for classifying cases and allocating investigative focus (staff vs external suspects vs collusion).