National Organic Program; Proposed Amendments to the National List of Allowed and Prohibited Substances for 2017 NOSB Recommendations (Livestock and Handling)

This proposed rule would amend the National List of Allowed and Prohibited Substances (National List) section of the United States Department of Agriculture's (USDA's) organic regulations to implement recommendations submitted to the Secretary of Agriculture (Secretary) by the National Organic Standards Board (NOSB). This rule proposes to: Add elemental sulfur to the National List for use in organic livestock production; and, reclassify potassium acid tartrate from a non- agricultural substance to an agricultural substance and require the organic form of the ingredient when commercially available.