Scottish Premiership Division One
The Scottish Premiership is the highest level club division in Scotland's national rugby union league divisions, and therefore part of the Scottish League Championship.However it is not the highest level of rugby union in Scotland, as Edinburgh Rugby and Glasgow Warriors play against Irish, Welsh and Italian teams in the Pro14.From the start of the 2012–13 season promotion/relegation between the Premiership and the newly formed National League (formerly the Second Division) is determined as follows: the winner of the National League is automatically promoted replacing the bottom placed team from the Premiership with a play-off between the 9th placed Premiership team and the 2nd placed National League team to determine the second promotion place.The underlying principles behind league reconstruction as set out by the Season Structure Working Party of the Scottish Rugby Council were (a) to shorten the season, (b) to reduce travel costs, (c) to reduce time involved for all, (d) to assist in growing the game and (e) to retain players in the game.[1] The current teams playing in the Premier League are: