2. Number of substitutions
The provision as it is printed, and everything on Ruleside that turns on it.
Official competitions The number of substitutes, up to a maximum of five, which may be used in any match played in an official competition will be determined by FIFA, the confederation or the national football association. For men's and women's competitions involving the 1st teams of clubs in the top division or senior ‘A' international teams where competition rules permit a maximum of five substitutes to be used, each team:
· may additionally make substitutions at half-time
Verdicts that turn on it 2
Walk the tree to any of these and this clause is part of the answer.
The Laws of the Game are published by The IFAB and quoted here for the purpose of explaining the decisions on this site. Ruleside is not affiliated with The IFAB or FIFA. Every clause of The Players that Ruleside cites.