I agree with peekay, and believe that frami actually does too. At the very end of EVAC (my words): ORDER EVAC, tell ATC, and leave*. Finita la música.
Announcing an RTO and advising of EVAC are two distinctly different calls, why would the latter be done by F/O after RTO ... no idea. Certainly in the SIM days I used to have flaslight in one hand and EVAC C/L in the other at that point.
This is the paragraph in question, reference FCTM AO-20 "D" The Emergency Evacuation Procedure. (2013 and 2015 edition)
The ATC bullet point as well as the Note are not present in the older versions of FCTM (2007).