Essentials of adverse possession under written instrument or judgment

§ 512. Essentials of adverse possession under written instrument or\njudgment. For the purpose of constituting an adverse possession, founded\nupon a written instrument or a judgment or decree, land is deemed to\nhave been possessed and occupied in any of the following cases:\n 1. Where there has been acts sufficiently open to put a reasonably\ndiligent owner on notice.\n 2. Where it has been protected by a substantial enclosure, except as\nprovided in subdivision one of section five hundred forty-three of this\narticle.\n 3. Where, although not enclosed, it has been used for the supply of\nfuel or of fencing timber, either for the purposes of husbandry or for\nthe ordinary use of the occupant.\n Where a known farm or a single lot has been partly improved, the\nportion of the farm or lot that has been left not cleared or not\nenclosed, according to the usual course and custom of the adjoining\ncountry, is deemed to have been occupied for the same length of time as\nthe part improved and cultivated.\n