New York Consolidated Laws, Real Property Actions and Proceedings Law - RPA § 311. Presumption of possession from legal title

In an action to recover real property or the possession thereof, the person who establishes a legal title to the premises is presumed to have been possessed thereof within the time required by law; and the occupation of the premises by another person is deemed to have been under and in subordination to the legal title unless the premises have been held and possessed adversely to the legal title for ten years before the commencement of the action.