Title 22 presents regulations governing the Department of State, the International Development Cooperation Agency, the Peace Corps, and other federal agencies regarding foreign relations. It includes regulations pertaining to Foreign Service personnel, visas, nationality and passports, diplomatic privileges and immunities, and international agreements. Additions and revisions to this section of the code are posted annually by April. Publication follows within six months.

This book is authored by the Office of the Federal Register (OFR).