If you have converted the rental property to personal use by using it as your main residence, then the costs incurred to repair and renovate the property are personal expenses and cannot be deducted as a rental expense.
If you used the rental property for personal purposes, but it is still advertised and available for rent while the repairs were done, then you would report your personal use days as part of the rental income and expenses section of your return and claim the repair costs as a rental expense. Major renovations would need to be depreciated as a component of the property instead of being deducted as an expense.
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