I have a question for modders.

I have a question for modders. I'm modifying my gameplay (just for myself, I don't plan on publishing anything) to address referee carding. So I'm editing the "gp_rules_refereestricktness" file. What I don't understand is: if I set the sliders myself in the game (not competitive and not simulation), which "gp_rules_refereestricktness" file should I edit? Gameplay > groups or gameplay > databases? Thank!