In the top division, the top eight will progress to the play-offs, which will follow the same format as Super League, with the winners of the Grand Final claiming a £50,000 prize.
The next five teams in the table - 2nd to 6th - will then battle it out in a play-off series, with the Grand Final winner earning the second promotion spot.
All clubs were notified of the structure of the 2013 season back in September.
Championship play-off format
Qualifying: 1st v 4th
Qualfying: 2nd v 3rd
Elimination: 5th v 8th
Elimination: 6th v 7th
Preliminary: Loser qualifying (highest ranked) v Winner Elimination (lowest ranked)
Preliminary: Loser qualifying (lowest ranked) v Winner Elimination (highest ranked)
Semi: Winner qualifying (highest ranked) v Winner preliminary (lowest ranked)
Semi: Winner qualifying (lowest ranked) v Winner preliminary (highest ranked)
Grand Final: Winner Semi v Winner Semi
Championship 1 play-off format
Match A: 3rd v 4th
Match B: 5th v 6th
2nd receives bye
Match C: 2nd v Winner of Match A
Match D: Loser of Match A v Winner of Match B
Match E: Loser Match C v Winner Match D
Grand Final: Winner Match C v Winner Match E
St Helens chairman Eamonn McManus says the game is being undermined by inconsistent officiating and disciplinary.
Leeds legend Kevin Sinfield has revealed that 2015 will be his last season at the Rhinos, and that he will be playing rugby union for Leeds Carnegie in 2016.
With four matches under the Friday night lights, Round 7's tip is a 9/2 treble.
Coventry Bears will play their first League One game of the season on Good Friday against Oxford at Butts Park Arena.
Castleford Tigers, along with their charitable arm, the Tiger Trust,have confirmed that they have established a new association with the Five Towns wheelchair rugby league team.