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withdrawn,object_id PHMSA-2012-0321-0003,PHMSA,PHMSA-2012-0321,U.S. DOT/PHMSA - Acceptance Letter,Other,Supplement (SUP),2013-10-29T04:00:00Z,2013,10,,,2013-10-29T20:38:00Z,,0,0,0900006481464fe9 PHMSA-2012-0321-0002,PHMSA,PHMSA-2012-0321,U.S. DOT/PHMSA - Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2013-01-03T05:00:00Z,2013,1,2013-01-03T05:00:00Z,,2024-11-12T05:09:22Z,,1,0,09000064811a446e PHMSA-2012-0321-0001,PHMSA,PHMSA-2012-0321,Truck Trailer Manufacturers Association - Petition for Rulemaking,Other,Petition for Rulemaking,2012-12-12T05:00:00Z,2012,12,2012-12-12T05:00:00Z,,2024-11-12T05:09:17Z,,1,0,09000064811888ed