Depending on the league there could be 1-3 referees depending on the age and how many refs actually show up.
The Refferees
Main officials and their duties in basketball?
Referees.
1975
2
2
To make sure the basketball game goes smoothly. Call fouls, when necessary. Although some officials don't call certain fouls simply because they may not have seen it.
the time keeper
Yes, a typical organized game of basketball has 2 or 3 officials, or more commonly referred to as referees. They call fouls or violations on players and administer the game.
at the sideline
As with officials in any game their purpose it to make sure the rules of the game are understood and followed by the players.
The NBA was founded in 1946. Then the American Basketball Association was founded in 1967 and changed some rules of the game and officials were added.