Final answer:
The carrying firm must complete the transfer of a customer account within three business days according to SRO rules, ensuring timely and efficient transfer of brokerage accounts. This rule is designed to protect customers by ensuring timely transfers between brokerage firms.
Step-by-step explanation:
Under the Self-Regulatory Organization (SRO) rules, particularly as set by FINRA, the carrying firm must complete the transfer of a customer account within three business days once they receive a properly completed transfer instruction form. This rule is designed to protect customers by ensuring timely transfers between brokerage firms and is part of the regulations that brokerage firms must comply with to ensure a fair and efficient transfer process.