Answer:
I, III, and IV
Step-by-step explanation:
There are certain criteria that must be met for a broker/dealer to begin to store records electronically. One of these criteria is to ensure there are duplicate copies of all records to ensure they are available. Secondly, The record must be converted and stored in a format that its content cannot be modified. Thirdly, the file must be stored in a way that it is easy accessible upon request.