The current champions are Oxford Sunnyside The league season lasts from August to May with each club playing the others twice, once at their home ground and once at that of their opponents.
The league champions can be promoted to NIFL Premier Intermediate League, providing they meet the admission requirements.
The two highest placed teams are promoted into the Intermediate A division.
If the Intermediate A division receives a team relegated from the NIFL Premier Intermediate League and fails to promote a team in return, it will relegate three teams to the Intermediate B division, requiring the team finishing bottom of the Intermediate B division to be relegated to Junior Division 1.
The league winner can be promoted into the Intermediate section as long as their ground meets Intermediate standards.