During Open Enrollment (October 21 - November 20, 2020), you can set up your flexible spending and dependent care flexible spending accounts for 2021 with WageWorks.
There is no automatic enrollment.
There are two ways to enroll:
Yes, if you get married, you can add your wife and her children to the Plan. You need to notify the Health & Welfare Plan Office about your marriage and new dependents within 90 days of your marriage. You also need to provide the Plan Office with the necessary documentation. For more information, see the “If You Get Married or Add a Life Partner and “If You Acquire a Child Through Marriage” sections on the Life Events page.