1. SEAT ← Background check process
2. Nut ← Discord auth if you haven't already
3. Talk to people on discord ← Be very afraid
4. Put application in Nut, and answer a few questions
5. Poke people on discord if necessary

how_to_seat_your_toons has the instructions. Its for background checks

Discord auth and other alliance services

Log into nut application

Click on Applications

Click on create application.

Choose the corp you are applying to. If the corp is not available possibly due to a previous application let your recruiter know.

Answer the VERY hard questions and click submit.