On March 22, 2022, PHMSA published a Notice; request for comments on an initiative to convert historical letters of interpretation (LOI) applicable to the Hazardous Materials Regulations into Frequently Asked Questions (FAQs) that will be published on their website.

PHMSA Notice: Frequently Asked Questions – Applicability of the Hazardous Materials Regulations

The summary of the Notice states:

PHMSA is announcing an initiative to convert historical letters of interpretation (LOI) applicable to the Hazardous Materials Regulations that have been issued to specific stakeholders into broadly applicable frequently asked questions on its website. By creating a repository of frequently asked questions, PHMSA seeks to eliminate the need for recurring requests for common letters of interpretations. This Federal Register Notice introduces this initiative and its objectives to those subject to the Hazardous Materials Regulations. PHMSA’s objective is to gain insight regarding the utility of this initiative and topics to prioritize in the development of future frequently asked questions. PHMSA requests comment on the initiative and input on the prioritization of future sets of frequently asked questions.

ADDRESSES: You may submit comments identified by the Docket Number PHMSA–2021–0109 by any of the following methods: • Federal eRulemaking Portal: http:// www.regulations.gov. Follow the instructions for submitting comments. • Fax: 1–202–493–2251. • Mail: Docket Management System; U.S. Department of Transportation, West Building, Ground Floor, Room W12–140, Routing Symbol M–30, 1200 New Jersey Avenue SE, Washington, DC 20590. lotter on DSK11XQN23PROD with NOTICES1 • Hand Delivery: Docket Management System; Room W12–140 on the ground floor of the West Building, 1200 New Jersey Avenue SE, Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Instructions: All submissions must include the agency name and Docket Number (PHMSA–2021–0109) for this notice. To avoid duplication, please use only one of these four methods. All comments received will be posted without change to the Federal Docket Management System (FDMS) and will include any personal information you provide. Docket: For access to the dockets to read background documents or comments received, go to http:// www.regulations.gov or DOT’s Docket Operations Office (see ADDRESSES).