{"abstract":"On March 22, 2022, PHMSA announced 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 (FAQ). On December 9, 2022, PHMSA finalized the first set of FAQ and announced the topic for the next FAQ. This notice contains the second set of FAQ.","action":"Notice.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Pipeline and Hazardous Materials Safety Administration","name":"Pipeline and Hazardous Materials Safety Administration","id":408,"url":"https://www.federalregister.gov/agencies/pipeline-and-hazardous-materials-safety-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/408","parent_id":492,"slug":"pipeline-and-hazardous-materials-safety-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2023/08/18/2023-17752.html","cfr_references":[],"citation":"88 FR 56702","comment_url":null,"comments_close_on":"2023-09-18","correction_of":null,"corrections":[],"dates":"Interested persons are invited to submit comments on or before September 18, 2023. Comments received after that date will be considered to the extent practicable.","disposition_notes":null,"docket_ids":["Docket No. PHMSA-2021-0109","Notice No. 2023-04"],"dockets":[{"supporting_documents":[],"agency_name":"PHMSA","documents":[{"comment_count":2,"comment_start_date":"2023-08-18","updated_at":"2023-09-19T00:01:50.492-04:00","comment_url":"https://www.regulations.gov/commenton/PHMSA-2021-0109-0014","allow_late_comments":null,"id":"PHMSA-2021-0109-0014","comment_end_date":"2023-09-19","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"PHMSA-2021-0109","title":"Hazardous Materials: Frequently Asked Questions - Applicability of the HMR"}],"document_number":"2023-17752","effective_on":null,"end_page":56705,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2023/08/18/2023-17752.xml","html_url":"https://www.federalregister.gov/documents/2023/08/18/2023-17752/hazardous-materials-frequently-asked-questions-incident-reporting","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2023-17752?publication_date=2023-08-18","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2023-08-18/2023-17752/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":1294,"last_updated":"2026-06-25 10:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2023-08-18/pdf/2023-17752.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2023-17752.pdf?1692276319","publication_date":"2023-08-18","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2023/08/18/2023-17752.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":2,"agency_id":"PHMSA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=PHMSA-2021-0109","supporting_documents_count":0,"docket_id":"PHMSA-2021-0109","document_id":"PHMSA-2021-0109-0014","regulation_id_number":null,"title":"Hazardous Materials: Frequently Asked Questions - Applicability of the HMR","checked_regulationsdotgov_at":"2023-09-19T04:01:49Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":56702,"subtype":null,"title":"Hazardous Materials: Frequently Asked Questions-Incident Reporting","toc_doc":"Frequently Asked Questions-Incident Reporting","toc_subject":"Hazardous Materials:\n","topics":[],"type":"Notice","volume":88}