1981
Law III - Number of Players
A player who has been replaced shall not take any further
part in the game. A substitute shall be subject to the authority
and jurisdiction of the referee whether called upon to play or not.
Punishment: If a substitute enters the field of play without
the authority of the referee, play shall be stopped. The substitute
shall be cautioned and removed from the field or sent off according
to the circumstances. The game shall be restarted by the referee
dropping the ball at the place where it was when play was stopped.
Law XII - Fouls and Misconduct
A player shall be sent off the the field of play, if, in the
opinion of the referee, he:
* is guilty of violent conduct or serious foul play
* uses foul or abusive language
* persists in misconduct after having received a caution
1982
Law VI - Linesmen
The linesmen are to indicate:
* when the ball is out of play,
* which side is entitled to a corner-kick, goal-kick or
throw-in
* when a substitution is desired
Law XII - Fouls and Misconduct
Introduction of the four-step rule:
...from the moment the ball comes under his (the
goalkeeper's) control, he takes more than four steps without
releasing the ball into play and - having released it - he touches
the ball again before it has been touched or played by another
player...
1983
Law XII - Fouls and Misconduct
Modification of the four-step rule:
...from the moment the ball comes under his (the
goalkeeper's) control, he takes more than four steps in any
direction whilst holding, bouncing or throwing the ball in the air
and catching it again, without releasing the ball into play or
having released it into play before, during or after the four steps
- he touches it again with his hands before it has been touched or
played by another player...
1984
Law VIII - The Start of Play
Drop-ball in the goal-area: on that part of the
goal area line which runs parallel to the goal-line, at the point
nearest to where the ball was in play when play was stopped.
Law XIII - Free-Kick
An indirect free-kick awarded to the attacking team within
its opponent's goal area shall be taken from the part of the
goal-area line which runs parallel to the goal-line, at the point
nearest where the offence was committed.
1985
In various Laws: drop-ball provision in goal-area (cf. 1984)
also extended to be consistent.
Law XII - Fouls and Misconduct
Modification of the four-step rule:
...from the moment the ball comes under his (the
goalkeeper's) control, he takes more than four steps in any
direction whilst holding, bouncing or throwing the ball in the air
and catching it again, without releasing the ball into play or
having released it into play before, during or after the four steps
- he touches it again with his hands before it has been touched or
played by another player of the same team outside of the
penalty-area, or by a player of the opposing team either inside or
outside of the penalty-area.
1986
Law III - Number of Players
The substitution is completed when the substitute
enters the field of play, from which moment he becomes a player and
the player whom he replaces ceases to be a player.
Law XIV - Penalty-Kick
The player taking the penalty-kick has to be properly
identified.
1987
Law VII - Duration of the Game (against
time-wasting)
Allowance shall be made in either period for all the time
lost through substitution, the transport from the field of injured
players, time-wasting and other cause ...the amount of which shall
be a matter for the discretion of the referee.
Law XIV - Penalty-Kick
A goal may be scored directly from a penalty-kick. When a
penalty-kick is taken in the normal course of play, or when time
has been extended at half-time or full-time to allow a penalty-kick
to be taken or retaken, a goal shall not be nullified if, before
passing between the posts and under the crossbar, the ball touches
either or both of the goal-posts, or the crossbar, or the
goalkeeper or any combination of these agencies, providing that no
other infringement occurred.
(in addition to that several decisions by the Board in case
of encroachments)
Law XV - Throw-in
Decision: A throw-in taken from any position other
than the point where the ball passed over the touchline shall be
considered to have been improperly thrown in.
1988
Law I - Decision:
The goalposts must be of white colour.
Law III - Number of players:
Substitutes may be used under the rules of any official
competition under the jurisdiction of FIFA, Confederations or
National Associations, ...
...a team shall not be permitted to use more than two
substitutes from more than five players...
1989
Law IV - Players' equipment
(Codification of a practice) Footwear must be worn by players
and conform to the following standards: ...and pertinent decisions.
1990
Law IV - Players' equipment (introduction of
shinguards)
The basic compulsory equipment of a player shall consist of a
jersey or shirt, shorts, stockings, shinguards and footwear (plus
pertinent precisions regarding the shinguards.
Law XI - Off-side (being level)
A player is in an off-side position ..., unless
* b) he is not nearer to his opponents goal-line than at
least two of his opponents
* ...3. b) if he receives the ball direct from a goal-kick, a
corner-kick or a throw-in.
Decision: A player who is level with the second last opponent
or with the last two opponents is not in an off-side position.
Law XII - Fouls and Misconduct
Mandatory Instruction of the IFAB ("professional
foul")
If, in the opinion of the referee, a player who is moving
towards his opponents' goal with an obvious opportunity to
score a goal is intentionally and physically impeded by unlawful
means, i.e. an offence punishable by a free-kick (or a
penalty-kick), thus denying the attacking player's team the
aforesaid goal-scoring opportunity, the offending player shall be
sent off the field of play for serious foul play in accordance with
Law XII (n).
