Impact and Benefit Agreements (IBAs) seek to address the impacts a mine will have on a community and the environment and set the ground rules for a relationship between the community and a mining company.
Law or policy does not require iBAs, but many companies may seek to negotiate IBAs...
(Taken from “Exile of the Cóndor: Transnational Hegemony on the Border: the Mining Treaty Between Chile and Argentina” – Moon, Padilla and Alcayata, Santiago, 2004)