1. Possession shall not be established by an act performed by a person merely by way of permissive tolerance, nor by an act borne by another by way of tolerance. 2. If possession is coupled with coercion, is obtained clandestinely, or affected by ambiguity, it shall have no effect against the person upon whom the coercion was exercised, from whom the possession was concealed, or to whom the matter was ambiguous, until such defects cease.
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