As it isn’t fully documented in the book, as explained by Josh (who can confirm here) teaching perks probably works as follows:

1) Teacher and student agree to teaching
2) student spends a Dev action, teacher spends a Dev action IF the perk is outside their favored disciplines
3) perk will take up the students in process perk slot
4) student completes trials at an event (and reports such via forms after event)
5) perk becomes available to purchase (and in process perk slot is freed up)

Cheers!

---

Stark 999
Chief Engineer
Mimafia Operations Head

OR
1) Teacher and student agree to teaching
2) Student completes trials at an event under teacher supervision
3) At the end of the event, student spends a Dev action, teacher spends a Dev action IF the perk is outside their favored disciplines
4) Perk becomes available to purchase for next event

Josh clarified it as the first during the event.

Thank you, Ben has it right.

---

-Josh Marcus
Head of Plot, FI 3