No you don't need to send it in. You can either wait 30 days and check to see if it has been updated or for quicker results, dispute it on all three as balance 0 and paid. this will take up to 30 days to complete.
BUT HOLD ON TO THOSE RECORDS with your life. Keep them safe either in a safe deposit box or a fire proof safe. Once your accounts get caught in the white underbelly part of society that is know as Collections, funny things happen. Accounts get mistakenly sold if not closed out properly. Keep your records safe and sound.