international certificate of vaccination or revaccination

certificate of revaccination

certificate of vaccination

international humanitarian law (See international law of armed conflict)

International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion

International Military Sports Council (IMSC) / Conseil International du Sport Militaire (CISM)    

aircraft airworthiness certificate

certificate or waiver of authorization

volunteer certificate

handover certificate

Air Defense Command Commendation Certificate

acceptance certificate

crew member certificate

issue a certificate

certificate holder

certificate of compliance

certificate of quality

certificate of safety for flight

certificate of type

release certificate

render a certificate

works certificate

certificate

air operator certificate

aircraft certificate

aircraft certificate holder

aircraft noise certificate

airworthiness certificate

approval certificate

competency certificate

flight certificate

instrument certificate

medical fitness certificate