The allocations for Steps 1 to 6 for season 2019–20 were announced by the FA on 19 May.
[1] These were subject to appeal, and the Northern Counties East's constitution was ratified at the league's AGM on 15 June.
[2] As a result of the COVID-19 pandemic, this season's competition was formally abandoned on 26 March 2020, with all results from the season being expunged, and no promotion or relegation taking place to, from, or within the competition.
[3] On 30 March 2020, sixty-six non-league clubs sent an open letter to the Football Association requesting that they reconsider their decision.
Division One featured 15 clubs which competed in the previous season, along with three new clubs: Also, East Yorkshire Carnegie were renamed as East Hull.