Centre referee
The centre referee is the lead official in a football match and holds primary authority for enforcing the Laws of the Game. Their responsibilities include starting and stopping play, managing fouls and misconduct, and making final decisions in consultation with assistant referees and the fourth official. The centre referee must read the match dynamically, balancing consistency with context, such as managing tempo, protecting players, and responding to crowd and weather factors. Decisions are documented in the official match report, which is submitted to the competition organiser and used for post‑match review and possible disciplinary action.
Pre‑match duties
Before kickoff, the centre referee confirms team line‑ups, checks equipment under Law 4, inspects the pitch and ball, meets with assistant referees and the fourth official, and reviews any communication protocols. They also conduct a coin toss to decide possession or ends. This period establishes clarity on procedures, communication signals, and escalation paths for incidents.
On‑match decision‑making and positioning
During play, the centre referee uses positioning to maintain the best view of incidents, often aligning with the diagonal system of control. They track the game clock, manage restarts, award free kicks and penalties, and decide whether to apply advantage. Assistant referees provide information off the field of play, such as offside, ball in or out, and potential fouls in the assistant’s view; the centre referee weighs this input alongside their own observation before making a call.
Assistant referees (formerly linesmen)
Assistant referees support the centre referee primarily by indicating when the ball is fully in or out of play, offside, and when the ball has crossed the goal line without a goal. They monitor fouls and misconduct on their respective touchlines and far ends, and they use flags to communicate decisions and alerts to the centre referee. Modern assistant referees often manage pre‑match checks such as kit colour conflicts and may also help supervise substitutions.
Flag signals and positioning
Assistant referees use standardized flag signals to communicate: raising the flag vertically for offside, horizontally for ball out of play, and at an angle for corner kicks or goal kicks. They position themselves in line with the second-to-last defender or the ball, depending on the phase of play, to improve accuracy for offside judgments. Technology such as refresh replay and goal‑line systems can support but does not replace their on‑field responsibilities in most competitions.
Fourth official
The fourth official manages administrative and logistical tasks outside the pitch that support the referee team. Duties include displaying substitution and injury time information, overseeing the technical area, handling substitutions, and keeping records of cautions and send‑offs. In many competitions, the fourth official also communicates with the centre referee about potential substitutions, blood replacements, and concussion protocols, acting as a coordination point between match officials and team staff.
Match control and communication
Before the match, the fourth official confirms names on the teamsheet and checks delegated authority for substitutes. During the game, they relay instructions from the referee to the teams and crowd, and they display added time and red card information clearly. They also assist in emergencies by notifying medical services and coordinating with security when necessary.
Video assistant referee (VAR)
Where implemented, the Video Assistant Referee (VAR) team reviews clear and obvious errors or serious missed incidents in goals, penalties, direct red cards, and cases of mistaken identity. VAR officials use multiple camera angles, slow motion, and verified footage to advise the on‑field centre referee, who retains final decision authority. The process typically follows a sequence of check, review, and communicate, with guidelines defining when VAR must intervene and when on‑field decisions stand.
Off‑the‑field review and on‑pitch communication
Some competitions allow on‑the‑pitch reviews for incidents such as goals, penalties, and red cards, where the centre referee is called to a designated on‑field monitor. The referee consults with VAR via headset, reviews evidence on a sideline screen, and then communicates the outcome to players and officials. Consistency, transparency, and communication are emphasized to reduce confusion and maintain the flow of play.
Additional and emerging roles
Depending on the competition, other officials may include a reserve assistant referee, a dedicated timekeeper, or a match delegate overseeing conduct and stadium operations. Emerging technologies such as semi‑automated offside detection and pitch‑side connectivity aim to support but not replace human judgement. Across all roles, the core principles remain interpreting the Laws of the Game, safeguarding player welfare, and ensuring matches are conducted fairly and safely.
Collectively, referee positions in football form a structured team responsible for applying the Laws of the Game consistently and transparently. Each role has distinct duties—from on‑field rulings by the centre referee and line signaling by assistant referees, to administrative coordination by the fourth official and technology‑supported review via VAR. Understanding these positions clarifies how decisions are made, communicated, and reviewed, supporting confidence in the integrity of the sport.