Article / Updated 03-26-2016
When it comes to making rules under Robert's Rules, one rule stands out: A group is free to adopt whatever rules it may want or need as long as the procedure for adopting them conforms to any rules already in place or to the general parliamentary law.
The reason for having rules in the first place is so that you and your fellow group members can mutually agree on governance (that is, who your leaders are, how you choose them, when you have your meetings, and so forth), procedures for arriving at group decisions, and policy covering the details of administration for your organization.