Match officials are not allocated by the clubs or by chance. Appointment is a centralised process run by the competition, and it balances several constraints that rarely align neatly.
Appointment sits with the competition, not the clubs
Leagues and governing bodies maintain a panel of officials and appoint them to fixtures centrally, usually a short time before the match.
Keeping the decision away from participants is the point, since any club involvement in selecting an official would compromise the perception of neutrality.
Appointments are typically published only days in advance, which limits the time available for public pressure to build around a particular selection.
Performance assessment drives progression
Officials are observed by assessors who review decisions against the laws and against video, producing ratings that accumulate over a season.
Those ratings determine promotion between levels and which fixtures an official is considered for, with the highest-profile matches drawn from the strongest performers.
Poor assessments result in demotion to lower-profile fixtures rather than public sanction, which is why an official can disappear from prominent games without announcement.
Conflict rules narrow the pool
Officials are barred from matches involving clubs they support or have a connection to, and in some competitions from clubs in the region where they live.
Repeat appointments to the same club within a short period are avoided, so that no official appears to be following a particular team through a season.
In international competition, officials from the same country as either team are excluded, which is why neutral appointments are drawn from third countries.
Logistics constrain what is possible
Officials in most competitions are appointed as a team, and the whole team has to travel together and be available for the same fixture.
Fixtures scheduled close together in time and far apart in distance limit which teams can physically cover them, particularly midweek.
Fitness requirements add another layer, since officials must meet testing standards and cannot be appointed to consecutive matches without adequate recovery.
Video officials are appointed separately
Where video review operates, the officials working it are appointed through the same process but may sit at a central facility rather than at the ground.
They are drawn from the same panel, and experience in the role is treated as a distinct competence rather than as an extension of on-field officiating.
Rotation between roles is managed deliberately, so that an official does not review a colleague they will work alongside on the field days later.