GIPS Tax Questions

There doesn’t seem to be an LOS referring to this, but if you look at CFA Book 6, EOC Q 27, there are a ton of calculations. Schweser doesn’t seem to make it sound like you have to know these. (Schweser also makes it sound like you don’t need to calculate Dietz or any of the return/dispersion calcs) Thoughts? Were these on the exam last year?