A match is played by two teams, each consisting of not more than eleven players, one of whom is the goalkeeper. A match may not start if either team consists of fewer than seven players.
Up to a maximum of three substitutes may be used in any match played in an official competition organised under the auspices of FIFA, the confederations or the national associations.
The rules of the competition must state how many substitutes may be nominated, from three up to a maximum of seven.
In other matches, up to five substitutes may be used, provided that: the teams concerned reach agreement on a maximum number the referee is informed before the match If the referee is not informed, or if no agreement is reached before the start of the match, no more than three substitutes are allowed.
In all matches the names of the substitutes must be given to the referee prior to the start of the match. Substitutes not so named may not take part in the match.
To replace a player by a substitute, the following conditions must be observed:
Any of the other players may change places with the goalkeeper, provided that:
If a substitute enters the field of play without the referee's permission:
If a player changes places with the goalkeeper without the referee's permission before the change is made:
For any other infringements of this Law:
1.Subject to the overriding conditions of Law 3, the minimum number of players in a team is left to the discretion of national associations. The Board is of the opinion, however, that a match should not continue if there are fewer than seven players in either team.
2.A team official may convey tactical instructions to the players during the match and he must return to his position after giving these instructions. All officials must remain within the confines of the technical area, where such an area is provided, and they must behave in a responsible manner.
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