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withdrawn,object_id NHTSA-2018-0021-0001,NHTSA,NHTSA-2018-0021,Supplemental Information re: Petition for Rulemaking to Allow Camera-Monitor Systems in Lieu of Outside Rearview,Other,Letter(s) in Support,2018-02-15T05:00:00Z,2018,2,2018-02-15T05:00:00Z,,2018-02-15T20:21:25Z,,0,0,0900006482f36361