The Arizona Uniform Termination Notice for Securities Industry Registration Form U5 is a form used to notify the Financial Industry Regulatory Authority (FINRA) of the termination of a broker’s registratiosecuritieseBSes industry. This form must be completed by the broker’s employer and submitted to FINRA within 30 days of the termination of the broker’s registration. The form is used to report the reason for the termination, the date of termination, and other required information. There are three versions of the Arizona Uniform Termination Notice for Securities Industry Registration Form U5, depending on the type of termination: voluntary termination, involuntary termination, and death of the broker.