The competition is ranked as the fourth tier of the Romanian football league system, the winner may or may not be promoted to Liga III, depending on the result of a promotion play-off that is disputed against a winner of the neighboring counties series.
After 1948, following the administrative and territorial organization of the Romanian People's Republic, the football from the City of Bucharest and from Bucharest Region was governed by the municipal commission and the regional commission within the coordination forum for physical culture and sport.
In the Bucharest Region, football was organized into regional and district championships that comprised over time teams from nowadays Ilfov, Giurgiu, Ialomița, Teleorman and Călărași counties as from City of Bucharest.
A peak moment in this period, which ended after 1990, was the time interval between 1964 and 1976, when the destinies of football in the Capital were ensured by Prof. Traian Tomescu, and the number of teams, players, referees and coaches reached a record number, under the conditions of some competitions with two series at Honor Category, another four series at Promotion Category and one or two series for each sector of Bucharest.
The champions of each county association play one another in a play-off to promote to the Liga III.