* Various industries are classified according to their size and end product, and each employer is assessed at a rate that is a % of payroll
* % is determined by the injury cost of its classification
* From the incident fund thus collected, payments are made for compensation, medical aid, rehabilitation, incident prevention, and administrative expenses
* each employer is liable for assessment, whatever the cost of injuries sustained by its workers
* Each is relieved of individual liability
* In most jurisdictions, liability is further distributed by a disaster reserve fund