Deduction timing for payments subject to withholding tied to return filing due date; deduction allowed when tax is paid.

Amendment changes the timing for allowing deductions by substituting the prior procedural benchmark with the due date for filing returns; amounts where tax is deducted late or paid after that due date are allowable as a deduction in the year the tax is paid. It further replaces descriptive references to certain payments with a fixed specified percentage of sums payable to a resident and inserts that percentage into the related proviso on timing of compliance.

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