NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals - Digital Assessments

The Unit DI1, DI2, and DI3 assessments are for the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals.

Duration
-
Topic
International Qualifications
Next session
12 Nov 2026 · 7 dates
NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals - Digital AssessmentsIMPAC's NEBOSH Gold Learning Partner Logo

At a glance

Course details

NEBOSH Units: DI1, DI2 and DI3

Overview

NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals - Digital Assessments course overview

The DI1, DI2 and DI3 units are the assessments for the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals. Each unit is assessed separately through an assignment or case study, and all three units must be successfully completed to achieve the qualification.
 
Learners can complete resits for individual units where required, depending on their previous assessment results.
 
Additional information and guidance on the assessment process is available through IMPAC’s Learning System and the NEBOSH website.

Curriculum

What you'll cover

Learners must have studied the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals with IMPAC or another learning partner.

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FAQ

Frequently asked questions

This is for learners who have already completed the NEBOSH Level 6 International Diploma learning and now need to submit or resit DI1, DI2, or DI3 digital assessments. It is suitable for both IMPAC learners and external learners who completed the relevant diploma study through another approved learning provider.

Yes, learners need to have already completed the NEBOSH Level 6 International Diploma training through IMPAC or another NEBOSH Learning Partner before booking digital assessments. These assessments are for learners who need to resit or complete a diploma unit assessment rather than undertake the training programme itself.

Yes. DI1, DI2, and DI3 are assessed separately, so learners can book the individual assessment unit they still need based on their previous results and progress. All three units must be successfully completed to achieve the full qualification.

No, resits can be completed for individual units where needed. If you only need to complete DI1, DI2, or DI3, you can reattempt that specific unit rather than repeat the entire qualification. To achieve the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals, all three units must ultimately be completed successfully.

NEBOSH (the National Examination Board in Occupational Safety and Health) is a globally recognised awarding body specialising in health, safety, and environmental qualifications. NEBOSH qualifications are studied worldwide and are designed to help individuals and organisations improve workplace health and safety performance.

IMPAC has been a NEBOSH Learning Partner since 2008 and is a NEBOSH Gold Learning Partner approved to deliver NEBOSH qualifications, including the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals.

Yes, these are online digital assessments. That allows learners to complete the required assignment or case study within the assessment window without attending an in-person class. You should still allow enough time to read the brief properly, prepare your response, and submit it by the deadline.

Passing an individual assessment unit contributes towards the NEBOSH Level 6 International Diploma for Occupational Health and Safety Management Professionals. Learners must successfully complete DI1, DI2, and DI3 to achieve the full qualification.

The assessment resit fee is $625 + GST per unit.

Continue learning

Further study options

If you’re continuing your learning journey in health and safety, you may choose to progress to postgraduate study in Workplace Health and Safety through Victoria University of Wellington. These programmes include Master’s, Postgraduate Diploma, and Postgraduate Certificate options, and are internationally benchmarked and accredited by the Institution of Occupational Safety and Health (IOSH).

IMPAC’s diploma programme meets part of the entry requirements for this postgraduate pathway, supporting progression into advanced academic study and professional practice. To learn more or to explore these programmes, click here.

Victoria University of Wellington’s Workplace Health and Safety programmes are benchmarked against the International Network of Safety and Health Practitioner Organisations (INSHPO) framework, aligning with globally recognised standards for health and safety professionals.

What's next

Next steps

To get started, you can book now.
 
To explore IMPAC’s wider range of courses, browse our full catalogue.
 
Learners building broader HSE capability may also look at the ISEP Foundation Certificate in Sustainability and Environmental Management (AISEP) or explore postgraduate study options such as Victoria University of Wellington’s Workplace Health and Safety programmes.

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