मूषिककरं वा प्रयुञ्जीत ॥ कZ_०४.३.२४ ॥
mūṣikakaraṃ vā prayuñjīta
Or he should impose/levy a ‘rat-tax’ (a targeted cess) for rodent-control measures.
Create a dedicated revenue stream for a specific public-good problem (protecting harvest and granaries from rodents).