These rules aren't in the orniginal Warrior Series. This site is a little different. This differrent makes this site cooler though. Here they are:
1. Leader's can have mates and kits while leader.
2. When a leader has kits then they will nurse in the nursery while the deputy take the role as leader until there old enough to eat prey and don't need milk.
3. Medicine cats can have mates and kit while medicine cat.
4. They will nurse in their den. There apprentice or a cat willing to take over as medicine cat will take the role while they are nursing. When the kits are old enough to eat and prey don't need milk they will start up duties again.