# Rule 11 Interference (Y.M.C.A. Four-Wall Rules, May 1915, historical)

> **Historical rulebook: not the current rules.** The current rules are here: https://handball.theperfectship.com/rules/four-wall/

A player shall not intentionally or unintentionally interfere with an opponent returning the ball. Any interference shall be considered a hindrance and the ball is to be served over.

## Mentioned here

- [Player](https://handball.theperfectship.com/player.md)
- [Opponent](https://handball.theperfectship.com/opponent.md)
- [Serve](https://handball.theperfectship.com/serve.md)
- [Hinder](https://handball.theperfectship.com/hinder.md)
- [Ball](https://handball.theperfectship.com/ball.md)

## Relationships

- Player relates to Opponent: mentioned together in 2 sub-rules.
- Player relates to Serve: mentioned together in 3 sub-rules.
- Player relates to Hinder: mentioned together in 2 sub-rules.
- Player relates to Ball: mentioned together in 5 sub-rules.
- Serve relates to Ball: mentioned together in 6 sub-rules.
- Hinder relates to Ball: mentioned together in 3 sub-rules.
- 2 weaker links (terms mentioned together in few sub-rules) are not drawn.

Rulebook: [Y.M.C.A. Four-Wall Rules, May 1915](https://handball.theperfectship.com/rulebooks/ymca-fourwall-1915.md)

Source: "Hand Ball Rules", 'FOUR WALL COURT', 'Adopted by Physical Directors' Society, Asilomar, Cal., May, 1915', in the Official Handbook of the Athletic League of the Young Men's Christian Association of North America (New York: American Sports Publishing Company, 1915), pp. 181-184 (Internet Archive officialhandbook06athl, Library of Congress copy). Public domain.