तेषां जङ्घाग्रमायव्ययौ च विद्युः ॥ कZ_०२.३५.०९ ॥
teṣāṃ jaṅghāgram āya-vyayau ca vidyuḥ
They shall also know the total number of able-bodied persons and their income and expenditure.
It indicates mobilizable labour/levies for emergencies and also helps validate whether reported livelihoods plausibly support observed spending.