It would be helpful if the ones who have knowledge on this subject if you could post the guidelines on were you cross the line from not needing a CDL/DOT/State permit to were you need these things , so you can evaluate what you have & either adjust or comply with the regs
Out here in the land of fruits & nuts (LOLLL !!!) I have asked the Commercial Cops from the Sacramento office, Regional office , Scale house & Commercial Cops patrolling the streets & have gotten wildly different interpretations on the law regarding transportation of race cars in State & across State lines
I also went to the Federal Carrier website
http://www.fmcsa.dot.gov/ & could not access the rules & regs when I got to the specific rules I got a access denied code