This form is used by constructors or employers to notify the Ministry of Labour before beginning a Type 3 asbestos removal operation and certain Type 2 asbestos removal operations in Ontario.

This form is used by employers, contractors or sub-contractors to notify the Ministry of Labour prior to carrying out window cleaning work at a building in Ontario if a suspended scaffold, boatswain's chair or similar single-point equipment is to be used.

This form is used by constructors to notify the Ministry of Labour, before work is begun at a construction project, if the project includes work on a trench more than 1.2 metres deep into which a worker may enter.

This form is used by employers to notify the Ministry of Labour prior to the start of a diving operation in Ontario.