In this article, we explore New York courts' treatment of this tension and the degree to which courts have permitted good faith and fair deal. Good faith negotiation refers to dealing fairly and honestly with others so that all parties receive their negotiated contract benefits.When parties negotiate the terms of a contract, they cannot account for every contingency or event that may affect performance. While the parties must continue to negotiate in good faith, they are not required to reach a final agreement. Section 1-304 - Obligation of good faith. Every contract or duty within this act imposes an obligation of good faith in its performance and enforcement. New York State Bar Association Continuing Legal Education publications are intended to provide current and accurate information to help attorneys. In good faith toward a complete agreement. If you leave your apartment or other rental home before your lease ends, your landlord has to make a good-faith effort to fill the vacancy. If you leave your apartment or other rental home before your lease ends, your landlord must make a good-faith effort to fill the vacancy.