Do you need a client ID to sign on to Westlaw?

Do you need a client ID to sign on to Westlaw?
A Client ID is required to sign on to Westlaw and is used to identify your Westlaw sessions. You may find it useful to enter a Client ID that relates to your research.
What do you need to know about Westlaw?
West grants User a non-exclusive, non-transferable, limited license to access, view and use data ("Data) made available on Westlaw at Subscriber's location. Westlaw consists of West-owned and third party databases, services and functions ("Features") which may change from time to time.
Who do I contact with questions about my Westlaw plan?
Or, contact customer service at 1-800-328-4880, open from 7 a.m. – 7 p.m. (CT). Who do I contact with questions about my Westlaw plan? Contact your Westlaw representative or client manager, or contact customer service at 1-800-328-4880. How do I log in to My Account?
Where do I sign on to Westlaw with OnePass?
Once you have created your OnePass account, you can register any products to which you subscribe, including Westlaw™. Where do I sign on to Westlaw? To sign on to Westlaw, go to www.westlaw.com and enter your OnePass username and password.