1. Must gather all seven DragonBalls.
2. Chant required (Come out, Shenlong, and grant my wish!)
3. Only one wish per summoning of Shenlong.
4. After the wish is made, Shenlong will disappear, the DragonBalls will turn to stone and scatter themselves; they will remain stone for one year.
5. The Shenlon cannot grant any wishes that are beyond the powers of the creator of the DragonBalls
6. You can revive anyone or any group of people who fit a certain criteria, if they did not die of natural causes.
7. If a person has been revived by Shenlong before, the person cannot be revived again.

The Rules of Namek's DragonBalls

1. Must gather all seven Dragon Balls.
2. Chant required in the Namek language.
3. Wishes must be said in the Namek language.
4. Only three wishes per summoning of Puronga.
5. After the wishes are made, Puronga will disappear, the DragonBalls will turn to stone and scatter themselves; they will remain stone for 130 days.
6. Puronga cannot grant any wishes that are beyond the powers of the creator of the DragonBalls.
7. You can revive anyone multiple times, as long as he/she did not die of natural causes.
8. You can only revive one person per wish.

The Rules of the Blackstar DragonBalls

Little is known about the Blackstar DragonBalls, but they were originally made by Kame before creating Piccolo. They grant only one wish, and afterwards spread out through the entire universe. Hence the kiddy DBGT series started.