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withdrawn,object_id PHMSA-2009-0303-0054,PHMSA,PHMSA-2009-0303,U.S. DOT/NHTSA - Letter in Response,Other,Acknowledgement Letter/Receipt,2012-05-03T04:00:00Z,2012,5,2012-05-03T04:00:00Z,,2012-05-03T19:29:29Z,,0,0,0900006481002c29 PHMSA-2009-0303-0053,PHMSA,PHMSA-2009-0303,Truck Trailer Manufacturers Association - Response Letter,Other,Acknowledgement Letter/Receipt,2012-05-01T04:00:00Z,2012,5,2012-05-01T04:00:00Z,,2012-05-01T18:06:33Z,,0,0,09000064810015be PHMSA-2009-0303-0052,PHMSA,PHMSA-2009-0303,National Tank Truck Carriers Inc.,Other,Acknowledgement Letter/Receipt,2012-04-03T04:00:00Z,2012,4,2012-04-03T04:00:00Z,,2012-04-03T20:51:40Z,,0,0,0900006480fe23ee