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withdrawn,object_id NHTSA-1999-6550-0001,NHTSA,NHTSA-1999-6550,"U.S. DOT/NHTSA - Federal Motor Vehicle Safety Standards; FMVSS No. 105, Hydraulic and Electric Brake System; FMVSS No. 121, Air Brakes - Notice of Proposed Rulemaking",Notice,Notice of Proposed Rulemaking (NPRM),1999-12-21T05:00:00Z,1999,12,1999-12-21T05:00:00Z,1999-12-22T04:59:59Z,2008-01-08T20:09:08Z,,0,0,0900006480332f14