If the above method doesn't work then you can still proceed with the manual application below.
Please remember to only put your Channel ID. You can find your Channel ID via your advanced account settings. Advanced Account Settings: https://www.youtube.com/account_advanced
If you have submitted the form and have not received the partner badge after 48 hours, please submit the form again making sure that you are entering the correct information in the boxes below, or contact an administrator on the forums.
-The Forum Team