The game clock in basketball is not held by an official on the floor. It is operated at a table by a crew whose work is as procedural as the refereeing.
The table crew has defined roles
A scorer maintains the official scorebook, a timer operates the game clock, a shot clock operator runs the possession clock, and others manage substitutions and fouls.
Each role has a written responsibility. The scorer's book, not the scoreboard, is the official record of points, fouls and timeouts.
The scoreboard is a display driven by the table. When the two disagree, the book governs and the display is corrected.
The clock is started and stopped by signal
The timer starts the clock when the ball is legally touched after a throw-in or a missed free throw, and stops it on the officials' whistle.
Reaction delay at both ends is real and unavoidable, which is why fractions of a second accumulate as errors over a game.
Precision timing systems that stop the clock directly from the officials' whistle were adopted to remove the human delay at the stop, which is the more consequential end.
Why the last seconds get special treatment
A tenth of a second is meaningful when a shot is released near the buzzer, so late-game timing is reviewable in ways ordinary possessions are not.
Review uses synchronized video with the clock display visible, allowing officials to determine the reading at the moment of release.
Clock corrections are permitted where video shows a definite error, and the corrected time is entered by the table rather than assumed.
Foul and possession records live at the table
Personal and team foul counts are maintained in the book, and a player's disqualification depends on that count rather than on anyone's recollection.
Errors here are consequential and are corrected when discovered, though correction after play has continued raises the same difficulties as in any sport.
Timeout counts are also tracked at the table, which is why a coach requesting an unavailable timeout is a technical foul rather than a refusal.
Why the table has not been automated away
Parts have been. Shot clock resets are increasingly automatic, and precision timing removed manual whistle response at the stop.
What remains is judgment about what happened and when, which requires someone watching the game and applying rules rather than reading sensors.
The table is therefore an officiating crew that happens to sit down. Its output, the book, remains the document the league treats as authoritative.

