Aka Levels Zip 2021 -

: IS-IDEC is a text-based file standard used by the aviation industry for exchanging billing and reconciliation information for passenger and cargo transactions.

Historically, the level of membership (undergraduate vs. graduate) was fixed. In 2021, AKA introduced the "Lifelong Level" concept via a ZIP-code based algorithm. If a member lived in a ZIP code with a strong graduate chapter, they were encouraged to affiliate at the graduate level immediately, bypassing the traditional "Ivy Leaf" undergraduate waiting period. aka levels zip 2021