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withdrawn,object_id PHMSA-2020-0023-0003,PHMSA,PHMSA-2020-0023,P-1741 Acceptance Letter (PHMSA-2020-0023),Other,Acknowledgement Letter/Receipt,2020-12-01T05:00:00Z,2020,12,2020-12-01T05:00:00Z,,2020-12-01T20:58:46Z,,0,0,0900006484980490 PHMSA-2020-0023-0002,PHMSA,PHMSA-2020-0023,US DOT/PHMSA- P-1741 Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2020-04-10T04:00:00Z,2020,4,2020-04-10T04:00:00Z,,2020-04-10T13:30:51Z,,0,0,0900006484499b50 PHMSA-2020-0023-0001,PHMSA,PHMSA-2020-0023,Association of American Railroads- Petition for Rulemaking,Other,Petition for Rulemaking,2020-02-05T05:00:00Z,2020,2,2020-02-05T05:00:00Z,,2020-02-12T17:56:02Z,,0,0,090000648432c1d5