16 clubs must vote for the plans for them to be passed, with a number of sides having already pinned their colours to the mast while making their voting intentions clear.
But could it be a closer result than expected? We take a look at how every club could vote:
21. Shrewsbury Town
The Shrews have already confirmed that they will be voting in favour of the implementation of a salary cap. PREDICTED VOTE: YES TO THE SALARY CAP Photo: Gareth Copley
22. Sunderland
The Black Cats are firmly against the plans and have already made their voting position clear. PREDICTED VOTE: NO TO THE SALARY CAP Photo: Clive Brunskill
23. Swindon Town
The newly-promoted side are yet to seriously discuss their salary cap stance. PREDICTED VOTE: ON THE FENCE Photo: Michael Steele
24. Wigan Athletic
The Latics are another side who have not made their voting intentions publicly known. PREDICTED VOTE: ON THE FENCE Photo: Nathan Stirk