# Four-wall · Rule 3.6 Line judges · A. Line Judges

If possible, two line judges will be used in all matches, positioned at the most advantageous viewpoints. A line judge’s opinion is based on his/her agreement or disagreement with the referee’s call. If a line judge is uncertain, he/she should abstain from expressing an opinion.

## Mentioned here

- [Referee](https://handball.theperfectship.com/match-referee.md)
- [Line judge](https://handball.theperfectship.com/line-judge.md)

Source: USHA official rulebook, used with written permission — https://www.ushandball.org/