# Rule 20 (A.A.U. One-Wall Rules, 20 November 1927, historical)

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

Hitting a partner with the ball immediately puts the ball out of play and it is charged against that side.

## Mentioned here

- [Partner](https://handball.theperfectship.com/partner.md)
- [Ball](https://handball.theperfectship.com/ball.md)

How this rule changed: [wording in every rulebook](https://handball.theperfectship.com/rulebooks/clause-history/code-onewall-smallball/21.md)

## Relationships

- Partner relates to Ball: mentioned together in 5 sub-rules.

Rulebook: [A.A.U. One-Wall Rules, 20 November 1927](https://handball.theperfectship.com/rulebooks/aau-onewall-1928.md)

Source: Spalding's Official Handball Guide, 1928 (Google Books 9jNMAQAAMAAJ, full view; LC 28012960). Public domain.