Teams receive three points for a win and one point for a draw.
The top two teams will be automatically promoted to the Premiership. The teams finishing third, fourth, fifth and sixth will then play off for a third promotion place. The bottom three teams will be automatically relegated to Nationwide Two. If two or more teams finish level on points the team with the better goal difference will finish higher. If two or more teams have the same points and the same goal difference, the team which has scored the higher number of goals will finish higher.