No. Once the IBKR Australia deadline has passed, your instruction is final and cannot be changed or cancelled.
Additional Information
Can I change or cancel my election after the IBKR Australia deadline?
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How do I modify a previously submitted election?
How can I submit my statement at the end of the third year?
How can I submit my statement at the end of the fifth year?
Does IBKR Australia support dividend reinvestment for ASX stocks?