Title
Amendment to National Internal Revenue Code
Law
Republic Act No. 590
Decision Date
Sep 22, 1950
The Amendments to the National Internal Revenue Code in the Philippines introduce changes to the income tax system, including progressive tax rates, personal exemptions, optional standard deductions, and withholding requirements for employers.

Law Summary

Tax on Nonresident Aliens Not Engaged in Trade or Business

  • Tax rate of 16% on net income from Philippine sources
  • If net income exceeds ₱14,750, tax rates for citizens and residents apply

Personal Exemptions for Individuals

  • Single persons or legally separated: ₱1,800 personal exemption
  • Married persons or heads of family: ₱3,000 exemption with only one exemption for spouses
  • Heads of family include unmarried individuals supporting dependents
  • Additional exemption of ₱600 per dependent child under 21 or incapacitated
  • Exemptions prorated in case of status change during taxable year

Corporate Income Tax

  • 16% tax on net income for domestic corporations and foreign corporations with Philippine source income
  • Exceptions: Building and Loan Associations taxed at 9%
  • Only 25% dividends from taxed domestic corporations are taxable for corporations

Optional Standard Deduction for Individuals

  • Electable deduction of ₱1,000 or 10% of gross income, whichever is lower
  • Election irrevocable for the taxable year

Individual Income Tax Returns

  • Required for Philippine citizens of lawful age with gross income ≥ ₱1,800
  • Includes residents and nonresident aliens with Philippine income
  • Returns filed in duplicate specifying gross income and allowable deductions

Withholding Tax on Bonds and Interest

  • 16% withholding on interest paid to nonresident aliens or residents
  • Exemptions apply if filing notice claiming benefits timely
  • Dividends from foreign corporations subject to withholding only under certain conditions

Withholding Tax on Income of Foreign Corporations

  • 18% tax withheld at source on income of foreign corporations not engaged in business in the Philippines

Estate and Trust Income Tax Exemption

  • Exemption of ₱1,800 allowed for estates and trusts

Fiduciary Income Tax Returns

  • Fiduciaries to file returns for estates, trusts, or persons with gross income ≥ ₱1,800
  • Return to be under oath and apply relevant individual tax provisions

Information Returns on Payments ≥ ₱1,800

  • Entities making payments of certain income types must report to Collector of Internal Revenue
  • Includes government officers and employees handling such payments
  • Reports include payee details and amounts

Withholding on Wages - Definitions

  • Wages = remuneration for services excluding certain exceptions (agricultural labor, domestic service, casual labor, foreign government service)
  • Payroll period defines periodicity of wage payments
  • Employee includes officers and government officials; employer means person having control of wage payment

Withholding on Wages - Requirements and Deductions

  • Employers to deduct tax on wages using Secretary of Finance's withholding table
  • Tax not deductible when computing net income
  • Refunds or credits allowed for overpayments
  • Employees must file exemption certificates; failure to do so results in withholding at zero exemption rate
  • Special provisions for estimating wages and treatment of husband and wife
  • Nonresident aliens excluded from wage withholding, subject to other tax provisions

Employer Liability and Payment of Withheld Taxes

  • Employers liable for withheld taxes and to remit taxes quarterly
  • Taxes held in trust until remitted
  • More frequent payment intervals may be required

Duties of Government Employers

  • Officials designated to file returns and remit withheld taxes

Employer Statements and Returns

  • Employers to furnish annual statements to employees showing wages and withheld tax
  • Annual return with accompanying statements filed with tax authorities
  • Possible extensions for filing returns

Penalties and Surcharges

  • Penalties for failure or falsification of returns include fines and imprisonment
  • Surcharges on unpaid taxes: 5% plus 1% monthly interest
  • Corporate officers held accountable for employer violations

Verification of Returns

  • Returns may be required to be verified under penalty of perjury
  • False declarations subject to felony charges for perjury

Taxation of Public Officers' Salaries

  • Salaries of public officers are taxable and not exempt

Treatment of Fractions in Tax Computations

  • Fractions of a peso under 50 centavos disregarded; 50 centavos or more rounded up
  • Minor discrepancies under one peso not refunded or collected

Backpay and Income Tax

  • Employees entitled to backpay can elect to use it for annual income tax payment
  • Refunds may apply if withheld amounts exceed tax liability

Act's Effective Dates and Duration

  • Applies to income from January 1, 1950
  • Withholding on wages effective January 1, 1951
  • Increased tax rates valid until December 31, 1952 unless extended by Congress

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