IBC would only facilitate an outbound transfer of registered accounts via ATON. ATON requests have to be initiated by the receiving broker electronically.
How do I transfer a FHSA to another provider?
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How do I transfer a RSP account from another financial institution to IBKR?
How do I transfer positions out of Interactive Brokers via ATON?
How do I transfer a TFSA account from another financial institution to IBKR?
How do I submit an inbound position transfer via ATON?