तांश्चापदेशैः प्रतिसमानयेत् ॥ कZ_०४.८.०२ ॥
tāṃś cāpadeśaiḥ pratisamānayet
And those persons/witnesses should be brought in again on pretexts (i.e., through staged summons) for cross-checking.
It reduces the chance of coordinated stories by enabling surprise re-checks and separating the timing/conditions of testimony.