चतुर्विंशतिरर्धगुच्छः ॥ कZ_०२.११.१३ ॥
caturviṃśatir ardhagucchaḥ
Twenty-four (constitute) an “Ardhaguccha” (half-bundle).
It prevents ad hoc splitting (which invites pilferage) by making partial issues formally measurable and auditable.