तस्योत्तरपक्षसिद्धौ पूर्वपक्षः श्रेयानुपसम्प्राप्तुम् ॥ कZ_०९.७.६५ ॥
tasyottarapakṣa-siddhau pūrvapakṣaḥ śreyān upasamprāptum
When, in such a dilemma, the contrary alternative is shown to be decisive/established, it is preferable to adopt the earlier-stated side (the baseline/prior position) for action.
Use a stable default/baseline when choices are contested—do not switch policy unless the alternative is clearly established and administratively superior.