Maybe some of you have been laboring under the same misunderstanding as myself and others. I had thought I did not need to register my tender for my documented vessel, just labeling it as Tender To (vessel name). Anyhow, after doing this for many years, my wife was stopped and the harbor patrol said that did not apply in inland waters (Alamitos Bay, SoCal). Anyhow, lots of people in our raft up were surprised since they'd been doing the same. When I got home, I read the Coast Guard website on documented vessels, and it says clearly that documentation does NOT cover the tender (in the Q and A's). So, I guess this is one of those boating urban legends.Now I get the joy of dealing with the Cal DMV trying to register one hard dinghy with no documentation and one e-bay purchased one likewise. Hope they cut me some slack. Rick D.