1. On 07/01/2024, Commerce published in the Federal Register its initiation of the countervailing duty investigation of vanillin from the People's Republic of China (89 FR 54421). The effective date of this initiation is 06/25/2024 (the applicable date stated in the FR notice). 2. The merchandise covered by the investigation is vanillin, with the molecular formula C8H8O3 or C9H10O3. For purposes of this investigation, vanillin consists of natural vanillin, synthetic vanillin, bio-sourced synthetic vanillin (biovanillin) (each also known as 4-Hydroxy-3- methoxybenzaldehyde), and ethylvanillin (also known as 3-Ethoxy-4- hydroxybenzaldehyde). Vanillin covered by this investigation is a chemical compound with the Chemical Abstracts Service (CAS) number 121-33-5 or 121-32-4. Vanillin is covered by the investigation regardless of whether it is in a crystalline powder or crystal form. Vanillin is covered by the scope of the investigation, irrespective of purity, particle size, or physical form. Merchandise subject to the investigation is specified within the Harmonized Tariff Schedule of the United States (HTSUS) under subheading 2912.41.0000 and 2912.42.0000. The HTSUS subheadings and CAS registry numbers are provided for convenience and customs purposes only. The written description of the merchandise covered by the investigation is dispositive. 3. This proceeding has been assigned case number C-570-173. 4. If there are any questions by the importing public regarding this message, please contact the Call Center for the Office of AD/CVD Operations, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce at (202) 482-0984. CBP ports should submit their inquiries through authorized CBP channels only. (This message was generated by OIV:JDP.) 5. There are no restrictions on the release of this information. Alexander Amdur