Competition format
First stage
The 63 teams play in 15 groups of four and one group of three teams (because the Football Federation of Acre failed to appoint one affiliated team). Within each group, the four teams play a double round robin, i.e. they play each other in home and away matches, totalling six matchdays. The two best ranked teams in each group qualify to the Second Stage.Second stage
The 32 teams qualified from the First Stage play in eight groups of four. Within each group, the four teams play a double round robin, i.e. they play each other in home and away matches, totalling six matchdays. The two best ranked teams in each group qualify to the Third Stage.Third stage
The 16 teams qualified from the Second Stage play in four groups of four. Within each group, the four teams play a double round robin, i.e. they play each other in home and away matches, totalling six matchdays. The two best ranked teams in each group qualify to the Final Stage.Final Stage
The eight teams qualified from the Third Stage are put together in a single group. They play a double round robin, i.e. they play each other in home and away matches, totalling fourteen matchdays. The four best ranked teams are automatically promoted to the Série B in 2007.Participating teams
The participating teams are sorted by state:Stages of the competition
First stage
;Group 1 (AC-AM-PA) ;Group 2 (AP-AM-PA-RR) ;Group 3 (MT-RO-TO) ;Group 4 (MA-PI) ;Group 5 (CE-PB-PE-RN) ;Group 6 (CE-PB-PE-RN) ;Group 7 (AL-BA-SE) ;Group 8 (AL-BA-SE) ;Group 9 (DF-GO-MS) ;Group 10 (DF-GO-MS-MG) ;Group 11 (ES-MG-RJ-SP) ;Group 12 (ES-MG-RJ-SP) ;Group 13 (RJ-SP) ;Group 14 (PR-SP) ;Group 15 (PR-RS-SC) ;Group 16 (RS-SC)Second stage
;Group 17 (MA-MT-PA) ;Group 18 (AM-MT-PI) ;Group 19 (AL-BA-CE-PB) ;Group 20 (BA-CE-PB-SE) ;Group 21 (GO-MG) ;Group 22 (GO-MG-RJ-SP) ;Group 23 (RJ-SC-SP) ;Group 24 (PR-RS-SP)Third stage
;Group 25 (AM-BA-CE-PA) ;Group 26 (BA-PA-PB-PI) ;Group 27 (GO-MG-RS-SP) ;Group 28 (MG-PR-SC-SP)Final stage
;Group 29 (BA-CE-MG-PB-RS-SC-SP)External links