Decreased inflation adjustment with BRS?

I was reading a Grumpus Maximus post which states the BRS pension COLA adjustment has a CPI minus 1% inflation adjustment. I haven't been able to find this in the law. Anybody have a reference? His statement and link to his post are below. As far as I know the BRS calculator uses 2.75% for COLA adjustment on both High-3 and BRS pension calculations. "Not only will their annuity be reduced to 40% of base pay at 20 years, but they will also have a COLA calculation of CPI minus 1% — which... Decreased inflation adjustment with BRS?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums