Update: The new closing date is now 5 February, 2019.
On 15 January 2019 5 February, 2019, version 1.0 of the World of Tanks referral program will come to an end in all regions. We are taking this opportunity to notify you in advance so we can successfully resolve all issues with the old program and process all remaining requests.
However, we are currently working on and developing a new referral program, which will be released in the future. All the details about the new program will be coming as soon as we have it, so stay tuned!