High risk work and activities - Workplace Health and Safety Act 1995 - QLD 5/12/2007    Created: 5/12/2007 Section 38 (Regulations) (2B) Work prescribed to be high risk work, or an activity prescribed to be a high risk activity, may be performed only by a person who is at least 18 years (of age).   Certificates of Competency Renewals - Occupational Health and Safety Regulation 2001 - NSW 5/12/2007    Created: 5/12/2007 Clause 293 Term of certificates 1. Certificates issued before 29 March 2004 will expire on 29 March 2009, or an earlier date if specified by WorkCover by means of written notice to the certificate holder, and 2. All written notices will be sent to the last known address that WorkCover has for a person.

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