That's really nice to know! With our passenger seat up front we used a seat that already had a buckle built in and attached the anchors to the frame beside the door. So if the whole bus comes apart the seat belt should come with it and me!
My build thread:http://www.skoolie.net/forums/f11/build-thread-for-haulin-oats-and-goats-11237.html#post113500
A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.