As stated on the Giveway rules:
Codes are redeemable at Redemption Page until December 31, 2018, unless extended by Intel and RSI at their discretion.
Now CIG should say something.... or maybe they have forgotten :shrug:
Important Issues
New! Crusader is currently disabled so that players can focus testing efforts on Arena Commander and Star Marine.
New! Be advised that you will need to restart the client after every Star Marine or Arena Commander match or you will be unable to join a new match.
Star Marine...