The U.S. Dept. of State (DOS) has begun sending letters to families who appear on a list of those missing post adoption reports. The list of 450 names was provided to DOS by the Government of Kazakhstan.
Kazakhstan is focused on getting any kind of report and is accepting self reports or old reports (with photos) and is not asking for notarizations or apostilles. DOS was instructed to ask that the reports be sent to the KZ embassy in DC, as you can read. You can find out more about this request here.