NEBOSH International Diploma in Occupational Health and Safety (International Diploma) Exam Blueprint

International Diploma

210 minDuration
45Passing Score
6Languages
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Exam Domains

1 Unit IA: Managing Internationally 33%
2 Unit IB: Hazardous Agents in the Workplace 33%
3 Unit IC: Workplace and Work Equipment Safety 34%

Exam Details

Question TypesOpen Book Examination (scenario-based questions), Practical Assessment
FormatOpen Book Examination (OBE) — scenario-based written paper plus practical workplace assessment
Online ProctoringAvailable
ID RequirementsValid government-issued photo ID required. Name must match NEBOSH registration. Requirements confirmed by the delivering ALP.
RenewalNot required -- NEBOSH certificates do not expire. However, NEBOSH recommends CPD to maintain and update knowledge. Many employers and professional bodies (e.g., IOSH) require evidence of ongoing CPD.
PrerequisitesNEBOSH IGC or equivalent health and safety qualification strongly recommended. (recommended)
Retake PolicyCandidates who refer (fail) may resit at the next available examination sitting. Full exam fee required for resit. No limit on number of attempts.
LanguagesEnglish, Arabic, French, Spanish, Turkish, Urdu

Official Study Resources