Effective Dec. 27, 2021, Decree on Materials Excluded From Halal Certification Obligation provides an extensive list of ingredients or materials that are considered to be halal by their nature and are exempting from halal certification. This list is also known as the Halal Positive List of Materials, including more than 4,000 chemical substances. Companies that use materials listed in the Decree can facilitate the process of selecting new materials and receiving incoming materials.