Secretary of Labor renews charter of National Advisory Committee on Occupational Safety and Health Words: Jesse AhernSecretary of Labor Thomas E. Perez has renewed the charter of the National Advisory Committee on Occupational Safety and Health. The charter will remain in effect until Oct. 7, 2016. NACOSH advises, consults with and makes recommendations to the secretaries of labor, and health and human services on matters relating to the Occupational Safety and Health Act including regulatory, research, compliance assistance and enforcement issues. NACOSH consists of 12 members representing workers, employers, safety and health professionals, states and the public. NACOSH holds two to four meetings per year, which are open to the public. The new charter establishes that all NACOSH members serve staggered two-year terms that expire at the end of a given calendar year.