When is a medallion signature guarantee required?

A medallion signature guarantee is required for any of the following transactions:

• Distributions over $100,000
• A bank wire or automatic clearing house (ACH)
• Payment to a destination outside the U.S.
• Payment to an alternate payee, beneficiary, or any third party other than the rollover recipient institution
• Payment to an address that is different than the address of record on the account
• If the address on the account has been changed within the past 15 days