सर्वाभियोगकरश्च कोशो धर्मकामहेतुः ॥ कZ_०८.१.४९ ॥
sarvābhiyogakaraś ca kośo dharmakāmahetuḥ.
The treasury is the instrument for undertaking all enterprises; it is also the cause that enables dharma (order/obligation) and kāma (welfare/desired enjoyments).
Because enforcing order and delivering welfare require funded institutions—courts, enforcement, infrastructure, relief, and administration.