The superscript 10 is the naming of names of the FISA review of FISA abuse.
NSA has been charged with the task of "targeting" and what Obama did my opening up all NSA raw data to all 17 intelligence agencies overrode the NSA role in targeting bypassing the legal system and checks and balances of our intelligence agencies.
Page 14 and 15 is where the court finally says the unmasking is probably illegal.
https://www.dni.gov/files/documents/icotr/51117/2016_Cert_FISC_Memo_Opin_Order_Apr_2017.pdf
Fisa review page 14 and 15 is about the unmasking being illegal and that Rogers showed it to the Fisa court.