Missing specialisation code

Hi , as the title suggests, I am missing the specialisation code that was given out early December. I bought halo on release an have not received a code ". I have checked all my emails and have not had one. I have waited just incase but to no avail. My gamer tag is boss585. Plz help .

Specialization codes have been distributed. For more information on the distribution process, check this post


All specializations will be unlocked for everyone early 2013.