As per PMI.org website "As a reminder the R.E.P. Program is retiring on 31 December, 2020". The new program is called now "Authorized Training Partner"
As per PMI Authorized Training Partner Program
"If you deliver Pdu-only training or training for other PmI certifications:
You are not required to use PMI-provided content.
Instructors are not required to complete the Authorized Training Partner Train the Trainer – PMP® Exam Prep."
Source PMI website: https://www.pmi.org/learning/training-development/authorized-training-partners