The Constitutional Sheriffs Association is building county-by-county, state-by-state. There is no requirement to BE a sheriff. The requirement is that you SUPPORT a constitutional sheriff.
That is, if you have one in your county, you are willing to stand WITH him (her). If you don’t, they you are working with those who would replace your current office holder with a real sheriff. That’s if there is time. If not, you are willing to be a part of the posse that does the job the sheriff should be helping to do.
Check out their website here: Constitutional Sheriff’s Association
I don’t know how it will blend with, work with the Constitutional Sheriff and Peace Officer Association, but that one is designed more for elected sheriffs while the Association is for all of us who support them.