Skip to main content

Page Navigator

Weekly Maintenance and/or Upgrades

System maintenance may occur at any time on Thursday evenings between 5:00 pm to 1:00 am.

Please save your work and exit the system prior to this time.

Homepage Welcome Message

Welcome to ARC

Bookmark: Bookmark the above URL for easy access. In your browser, go to

Favorites → Add To Favorites or Bookmarks → Bookmark This Page

Logon: When prompted, log in using your UCLA Logon ID (formerly Bruin Online account). If you have forgotten your logon ID or need to reset your password, visit

Note: if you experience any issues logging in to RATS 2.0, please email for assistance.

ARC Help Desk

Phone Number: (310) 206-6308 or x66308
Hours: 8am – 5pm, Monday – Friday

RATS Office Hours

Hours: 11am – 12pm, Wednesdays
Contact for more details.

RATS 2.0 Training Sessions

We highly encourage you to attend a training session to learn how to use RATS 2.0.
Please refer to the ARC News page for details about upcoming sessions.  Contact for more information.