Final answer:
An amended U4 filing is required if a registered individual is convicted of a felony, discovers a deficiency in the existing filing, or changes employers or residence address.
Step-by-step explanation:
An amended U4 filing is required if a registered individual:
- is convicted of a felony,
- discovers a deficiency in the existing filing,
- changes employers or residence address.
This filing is necessary to ensure that the information provided to regulatory bodies remains accurate and up-to-date. It is not required if none of these circumstances occur.