How to process iDeCo contributions as small business mutual aid deductions in year-end adjustment.
iDeCo (Individual-Type Defined Contribution Pension) Year-End Adjustment Deduction
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Year-End Tax Adjustment Overview
What year-end tax adjustment is and who it applies to.
Year-End Adjustment Recalculation
How to redo or correct a year-end tax adjustment after submission.
Year-End Adjustment Submission Document Checklist
Complete checklist of documents employees must submit for year-end tax adjustment.
Year-End Tax Adjustment Overview
What year-end tax adjustment is and who it applies to.
Documents Required for Year-End Tax Adjustment
List of declarations and certificates to collect from employees for year-end adjustment.
Basic Deduction and Employment Income Deduction
How basic deduction and employment income deduction are calculated.
Dependent Deduction Eligibility and Amount
Eligibility and amounts for dependent deductions (children, parents, etc.).
iDeCo Deduction in Year-End Adjustment
How to claim the iDeCo deduction through year-end adjustment.
Small Enterprise Mutual Aid Premium Deduction
How to claim deductions for iDeCo, enterprise DC, and small enterprise mutual aid contributions.
Mortgage Deduction via Year-End Adjustment
Applying the mortgage deduction through year-end adjustment from the second year.
Calculating the Spousal Deduction in Year-End Adjustment
How to apply the spousal deduction and spousal special deduction in year-end tax adjustment.
Paperless Year-End Adjustment Process
How to go paperless with year-end adjustment forms using digital collection.
Mortgage Interest Deduction for Year-End Adjustment (Year 2+)
How to claim the mortgage interest deduction at year-end adjustment from year two onwards.
