Such a system is illegal in most jurisdictions for passenger or commercial vehicles. (en.wikipedia.org)
However, it is an excellent free source for finding and searching current legislation and case law from 2000, with case law coverage for most jurisdictions going back much further. (legalresearch.org)
In advance of actually physically filing a separation agreement, most jurisdictions require the couple to appear before a judge. (torontodivorcelaw.com)