असारं बालप्रातिभाव्यम् ॥ कZ_०३.११.१६ ॥
asāraṃ bālaprātibhāvyam
未成年人所作的担保无效(不具法律效力)。
It parallels the doctrine that minors lack full capacity to bind themselves as guarantors, preventing exploitation through coerced guarantees.