तेषामसमवाये दण्डमन्यतमस्मान्निविष्टांशेन याचेत ॥ कZ_०७.४.२० ॥
teṣām asamavāye daṇḍam anyatamasmān niviṣṭāṃśena yāceta
If they fail to combine as agreed, he should demand a penalty from any one of them, in proportion to the share that had been fixed/undertaken.
To deter free-riding and ensure credible commitment; coalition promises are treated as enforceable obligations with proportional sanctions.