Re: MD Trailer weigh-in
Your bill of sale is for tax reasons. Try asking if there is a "blue book " option on the taxes. They look at current BB value and you pay tax on that amount, sans a bill of sale especialy if you bought it years ago. If its in your name now, you shouldnt need a bill of sale to transfer to Maine.
Scales are fine for weight, but most states accept a picture or transfer* of the weight tag on the trailer. {* Take a peice of paper over the info tag, rub it with a pencil to transfer a copy to paper} The weight is also to determine the TAX you pay on the weight rateing on the tag, @ 2000 lb, 4000 lb, 7000 lb.