N.Y. Partnership Law § 43

§ 43. Partner accountable as a fiduciary. 1. Every partner must\naccount to the partnership for any benefit, and hold as trustee for it\nany profits derived by him without the consent of the other partners\nfrom any transaction connected with the formation, conduct, or\nliquidation of the partnership or from any use by him of its property.\n 2. This section applies also to the representatives of a deceased\npartner engaged in the liquidation of the affairs of the partnership as\nthe personal representatives of the last surviving partner.\n