Should contact the responsible Agency or USDA's TARGET. Center at (202) 720-2600 (voice and TTY) or contact USDA through the.The most common types of Master Agreements are Challenge Cost Share,. Participating, and Stewardship Agreements. This Master Agreement is dedicated to Andy Pizzi. Mediation was both his vocation and passion. This MOU establishes a joint framework to enhance science-based forest and rangeland stewardship in California. Click each section below to view our current District Contracts.