The National Opens only awards points toward that series.
See link for 2019 NO points
https://www.nhra.com/standings/2019/...pen/division-2
Division points awarded as follows:
“Each driver in the remaining NHRA Lucas Oil Drag Racing Series categories may compete for home-division NHRA Lucas Oil series points at up to eight divisional events and will be credited with the points earned for their best five finishes including up to two out-of-division races. A driver may earn points at -outside events even after a driver’s home-division schedule is -completed. To be eligible for official NHRA Lucas Oil Drag Racing Series regional and division points and subsequent -postseason awards, a contestant must -claim a minimum of three races within his or her home region or division.”