Recruitment Code:5DVZ74GB
if your new player use this code you get extra 30 days for free
Just go into your S-E Account, click on Mog Station > Your Account > Enter Recruitment Code

plus you also receive these Bonus items:

Friendship Circlet - Increases EXP earned by 20% when level 25 and below.
Aetheryte Ticket x 99 - Players in possession of an aetheryte ticket when using Teleport will not incur a gil fee, good for 99 free teleports!
Ballroom Etiquette - Improper Greetings: Using this will unlock a new emote. Fist Bump (/fistbump, /brofist).
10 Silver Chocobo Feathers - Trade in to the Calamity Salvager NPC for special items. The Calamity Salvager NPC can be found in Limsa Lominsa, Gridania, and Uldah (starting cities).