Who must attend a refresher course? April 04, 2024 11:54 Updated All persons who wish to maintain a valid GWO certificate must attend the refresher course in the relevant modules. Related articles Expiry Date for Refresher Courses When must I renew my GWO training? What is a GWO refresher course? What are the requirements for GWO Instructors? When do we have to use an updated version of a GWO standard or criteria? Comments 0 comments Article is closed for comments.
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