I just signed up about a week ago, I already have 10 people on my list

Just a curious!
I am looking for another Canadian friend who has completed his tax's and is already started, or Know what he is doing.
I am stuck on
Part. 6. 7. and 8.
Regarding SSN ITIN and EIN.
Foreign Tax Identification number. and,
Reference number.
if anyone can help, please let me know
