GARP's ERP charter

I was wondering whether anyone had experience with the GARP’s ERP program;

Ref.: https://www.garp.org/#!/erp

There is a dedicated forum to GARP’s FRM, however the ERP seems to be a niche i.e. quite obscure.

Any thoughts?

Thanks!

No more useless charter please.

Growth At a Reasonable Price’s Equity Risk Premium?