Hello there... The requirement in Washington State is to send a certified but not a return receipt. I prepare the certified letters and take them to the post office and get a date stamp on the tear off portion of the certified form. I have a copy of the Final Lien notice with the peel off number from the certified and the date stamped certified portion attached to the lien copy. As far as tracking it on usps.com, it tells you when it arrived at the post office, and when it was picked up. In order to have a confirmation of pick up (aka return receipt) where you will have a copy of the persons signature that can be printed, you will have to pay an additional $1 and they will have to scan it in at the post office. Or you can have it e-mailed that it was picked up, which shouldn't cost any more.... Having sent it certified is all that is required, if you want to track it by e-mail you can but it is not required. It's a good idea to make sure that the tear off portion does have a date stamp on it as proof that you sent it. Hope this helps
