Your retirement income would be allocated for the year of the move between NY and NC. Thereafter; the retirement income is taxed in the state where you reside when your receive it, not the state where you "earned" the retirement.
See section 8 of this resource for further details: https://turbotax.intuit.com/tax-tips/state-taxes/taxes-and-moving-to-a-new-state/L4lOoXL90
Have an amazing day. Evelyn M (CPA 20+ years)
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