All teams have:

Ground rules are essential for any team’s success as they establish clear expectations on behavior, communication, and the overall conduct of team members. These rules are typically agreed upon at the beginning of a project to ensure that all team members are aligned and understand what is expected of them. This helps in creating a collaborative environment conducive to productivity and mutual respect.

References: The importance of ground rules is highlighted in the PMBOK® Guide, which suggests that teams should establish ground rules to create a collaborative project team environment12. Additionally, the Professional in Project Management (PPM) materials emphasize the need for clear objectives and roles, which are part of the ground rules34.