This document provides details on a federal solicitation from the US Agency for International Development. The solicitation, numbered SOL-OAA-17-000103, is seeking proposals for the ACES program. ACES provides an accountability systems approach to good governance and aims to strengthen linkages between formal and informal actors on specific issues. It also supports integrating good governance practices into development programs in sectors such as health, education, and economic growth. This means applying democracy, rights, and governance principles across USAID's portfolio to address political-economic obstacles and improve overall development outcomes. The solicitation was posted on June 14, 2018.