Here are resources for those who provide updates for the Academic Catalog and create the class schedules (typically department chairs, program directors, and administrative assistants):
Registration, Catalog, and Scheduling Policies: a comprehensive document explaining what is required for the registration, the Academic Catalog, and creating the class schedule.
Courseleaf guided tour is an overview of editing the Academic Catalog.
Coursedog guided tour is an overview of building and updating your class schedule.
Coursedog Reference Guide For Department Schedulers: this document outlines how to use Coursedog to create your department’s class schedule, make edits, and so much more.
It is important to read the reminder emails from the Registrar’s Office each semester for updates and deadlines. The email notifications will also include links to resources, notifications of any changes in policies/procedures, and opportunities for training and questions.