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withdrawn,object_id PHMSA-2020-0031-0002,PHMSA,PHMSA-2020-0031,US DOT/PHMSA- Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2020-10-30T04:00:00Z,2020,10,2020-10-30T04:00:00Z,,2020-10-30T18:08:49Z,,0,0,09000064849428a5 PHMSA-2020-0031-0001,PHMSA,PHMSA-2020-0031,US. DOT/PHMSA - Notice of Probable Violation,Other,Action Memo or Letter,2020-02-26T05:00:00Z,2020,2,2020-02-26T05:00:00Z,,2020-02-26T15:13:43Z,,0,0,09000064843afa0b