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withdrawn,object_id FMCSA-2019-0165-0002,FMCSA,FMCSA-2019-0165,"Petition for Determination of Preemption: Nationwide Freight Systems, et al.",Notice,Request for Comments,2020-12-04T05:00:00Z,2020,12,2020-12-04T05:00:00Z,2021-01-05T04:59:59Z,2021-01-04T02:01:02Z,2020-26668,0,0,09000064849859a4