The league is composed of 28 teams divided into two geographic divisions of 14 teams each. Teams contest only other teams in their own division: once at home and once away for a total of 26 matches each.
In each division, two teams are promoted to Azadegan League, and three teams are relegated to Iran Football's 3rd Division plus the relegation playoff loser. In total, the league promotes 4 teams to Azadegan League and relegates 7 teams to 3rd Division.
Updated to match(es) played on 20 August 2013 (2013-08-20). Source: http://www.dsport.ir/fa/posts/76 Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. (P) Promoted; (R) Relegated
Updated to match(es) played on 25 November 2013 (2013-11-25). Source: [citation needed] Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. (P) Promoted; (R) Relegated