fr_document_number,regs_document_id 2021-23603,FMCSA-1999-5578-0118 2021-23603,FMCSA-1999-5748-0131 2021-23603,FMCSA-2000-7006-0143 2021-23603,FMCSA-2000-7918-0120 2021-23603,FMCSA-2001-10578-0098 2021-23603,FMCSA-2001-9561-0081