Home › Forums › Products › Stompboxes › Can somebody there help with de-registering an H9? › Reply To: Can somebody there help with de-registering an H9? January 3, 2018 at 3:27 pm #148023 gkellumParticipant If you'd like you could take a picture of the serial number and email it to me and I'll take care of it. My email address is my forum user name plus @eventide.com.