{"abstract":"The Postal Service is proposing to amend Publication 52, Hazardous, Restricted, and Perishable Mail (Publication 52), to conform with the opinion of the Department of Justice's Office of Legal Counsel regarding the constitutionality of Section 1715 of title 18 U.S. Code, which prohibits the mailing of concealable firearms.","action":"Proposed rule.","agencies":[{"raw_name":"POSTAL SERVICE","name":"Postal Service","id":410,"url":"https://www.federalregister.gov/agencies/postal-service","json_url":"https://www.federalregister.gov/api/v1/agencies/410","parent_id":null,"slug":"postal-service"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/04/02/2026-06376.html","cfr_references":[{"chapter":null,"citation_url":null,"part":111,"title":39},{"chapter":null,"citation_url":null,"part":211,"title":39}],"citation":"91 FR 16601","comment_url":null,"comments_close_on":"2026-05-04","correction_of":null,"corrections":[],"dates":"Submit comments on or before May 4, 2026.","disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"2026-06376","effective_on":null,"end_page":16605,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/04/02/2026-06376.xml","html_url":"https://www.federalregister.gov/documents/2026/04/02/2026-06376/revised-mailing-standards-for-firearms","images":{"EP02AP26.014":{"large":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_large.png","medium":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_medium.png","original_size":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_original_size.png"}},"images_metadata":{"EP02AP26.014":{"large":{"identifier":"EP02AP26.014","content_type":"image/png","size":72349,"width":823,"sha":"d9dfe687f538e48d5f14ffe576090f3d","url":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_large.png","height":535},"medium":{"identifier":"EP02AP26.014","content_type":"image/png","size":21138,"width":398,"sha":"83aafc1828b47973739ba51b9e2dbc84","url":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_medium.png","height":259},"original_size":{"identifier":"EP02AP26.014","content_type":"image/png","size":72374,"width":1506,"sha":"c5842b432a47093e4d6b070cfcb602f1","url":"https://img.federalregister.gov/EP02AP26.014/EP02AP26.014_original_size.png","height":979}}},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-06376?publication_date=2026-04-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-04-02/2026-06376/mods.xml","not_received_for_publication":null,"page_length":5,"page_views":{"count":590,"last_updated":"2026-04-04 06:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-04-02/pdf/2026-06376.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-06376.pdf?1775047513","publication_date":"2026-04-02","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/04/02/2026-06376.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"comments_count":0,"agency_id":"USPS","document_id":"USPS-2026-0661-0001","checked_regulationsdotgov_at":"2026-04-03T16:55:04Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":16601,"subtype":null,"title":"Revised Mailing Standards for Firearms","toc_doc":"Firearms","toc_subject":"Revised Mailing Standards","topics":[],"type":"Proposed Rule","volume":91}