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withdrawn,object_id PHMSA-2015-0142-0002,PHMSA,PHMSA-2015-0142,U.S. DOT/PHMSA - Petition Acceptance Letter,Other,Petition for Rulemaking,2016-11-22T05:00:00Z,2016,11,2016-11-22T05:00:00Z,,2016-11-22T19:58:13Z,,0,0,09000064823a2f3b PHMSA-2015-0142-0001,PHMSA,PHMSA-2015-0142,U.S. DOT/PHMSA - Supplement,Other,Supplement (SUP),2015-06-15T04:00:00Z,2015,6,2015-06-15T04:00:00Z,,2015-06-15T16:09:47Z,,0,0,0900006481b319ca