New York Laws
Article 5 - Adverse Possession
543 - Adverse Possession; How Affected by Acts Across a Boundary Line.

ยง 543. Adverse possession; how affected by acts across a boundary
line. 1. Notwithstanding any other provision of this article, the
existence of de minimus non-structural encroachments including, but not
limited to, fences, hedges, shrubbery, plantings, sheds and
non-structural walls, shall be deemed to be permissive and non-adverse.

2. Notwithstanding any other provision of this article, the acts of
lawn mowing or similar maintenance across the boundary line of an
adjoining landowner's property shall be deemed permissive and
non-adverse.