I think LPRC is associated with the SEPRCA, so if you shoot a LPRC match, your points go toward the SEPRCA points race. Could be wrong about that one though...
Edit: It sure is:
http://seprca.com/clubs/
The only one I've been to was at Prince Gun Range in Pioneer, LA. Google search should turn up something. I hear there is something in the works at LRA in Grand Cane, and maybe something down south.
Just wanted to spread the word about a new state-level club getting started. The club will serve to organize PRS-style matches at a few locations in the state. Rules regarding course of fire, scoring, and equipment guidelines can be found here...