तदभावेऽप्यसोदर्यं सपिण्डं कुल्यं वासन्नम् ॥ कZ_०३.४.४० ॥
tadabhāve 'py asodaryaṃ sapiṇḍaṃ kulyaṃ vā sannam
If he is unavailable, then (she may go to) a non-full brother; or a sapiṇḍa (blood-relative within the recognized degree); or a kulya (clan relative)—whichever is near/available.
It standardizes decisions, limits forum-shopping, and reduces conflicts among claimants by making priority predictable.