id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id NHTSA-2023-0012-0104,NHTSA,NHTSA-2023-0012,Side Underride Guards; Extension of Comment Period,Proposed Rule,Advance Notice of Proposed Rulemaking (ANPRM),2023-06-09T04:00:00Z,2023,6,2023-06-09T04:00:00Z,2023-07-21T03:59:59Z,2025-11-26T10:00:04Z,2023-12296,1,0,0900006485aeb3ce NHTSA-2023-0012-0003,NHTSA,NHTSA-2023-0012,Side Underride Guards,Proposed Rule,Advance Notice of Proposed Rulemaking (ANPRM),2023-04-21T04:00:00Z,2023,4,2023-04-21T04:00:00Z,2023-06-21T03:59:59Z,2025-10-01T16:40:48Z,2023-08451,0,0,09000064859705cb