A more thorough explanation:

INR

INR stands for Bureau of Intelligence and Research.

The Bureau of Intelligence and Research (INR) is a bureau of the United States Department of State that provides intelligence and analysis for the U.S. government. It is responsible for providing policymakers with accurate and timely intelligence on global issues.

INR provides intelligence reports to the U.S. Secretary of State and other high-level officials to help them make informed decisions on foreign policy issues. For example, INR may provide analysis on the political situation in a foreign country or the potential impact of a new trade agreement.