1. On 05/24/2023, Commerce published in the Federal Register its initiation of the antidumping duty investigation of certain non-refillable steel cylinders from India (88 FR 33571). The effective date of this initiation is 05/17/2023 (the applicable date stated in the FR notice). 2. The merchandise covered by this investigation is certain seamed (welded or brazed), non-refillable steel cylinders meeting the requirements of, or produced to meet the requirements of, U.S. Department of Transportation specification 39, TransportCanada specification 39M, or United Nations pressure receptacle standard ISO 11118 and otherwise meeting the description provided below (non-refillable steel cylinders). The subject non-refillable steel cylinders are portable and range from 100-cubic inch (1.6 liter) water capacity to 1,526-cubic inch (25 liter) water capacity. Subject non-refillable steel cylinders may be imported with or without a valve and/or pressure release device and are unfilled at the time of importation. Non-refillable steel cylinders filled with pressurized air otherwise meeting the physical description above are covered by this investigation. Specifically excluded are seamless non-refillable steel cylinders. The merchandise subject to this investigation is properly classified under statistical reporting numbers 7311.00.0060 and 7311.00.0090 of the Harmonized Tariff Schedule of the United States (HTSUS). The merchandise may also enter under HTSUS statistical reporting numbers 7310.29.0030 and 7310.29.0065. Although the HTSUS statistical reporting numbers are provided for convenience and customs purposes, the written description of the merchandise is dispositive. 3. This proceeding has been assigned case number A-533-912. 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 OIX:MM.) 5. There are no restrictions on the release of this information. Alexander Amdur