This document provides guidance for leaders of the Society for Technical Communication's communities (chapters and special interest groups) on governance, leadership roles and responsibilities, committees, programs, communication, and other operational aspects. It defines chapters and SIGs, outlines typical leadership roles and calendars, and provides templates and guidance for developing bylaws, mission statements, strategic plans, budgets, and other foundational documents. The document also offers tips for running effective meetings and programs, transitioning leadership, and communicating with members through newsletters and other channels. The overarching goal is to help community leaders operate effectively and in alignment with the Society.