Authority of the Commissioner of Internal Revenue (CIR) to Obtain Information
- CIR may request information from national and local government offices possessing data to identify potential taxpayers; such offices must comply within 30 days.
- CIR may examine books, papers, records, summon persons for testimony under oath, and require production of relevant data for tax inquiries.
- Noncompliance with summons or refusal to produce documents or testify leads to penalties under Section 337.
Power to Make Assessments
- CIR may assess taxes based on the best evidence if reports required by law are absent, false, incomplete, or erroneous.
- CIR may conduct business surveillance for up to two months if a person is suspected of underdeclaring income; such findings are prima facie correct for assessments.
- CIR may declare a taxpayer’s tax period terminated in cases of retirement, intent to leave the country, concealment, or obstruction, demanding immediate tax payment.
- Taxpayers must respond to findings within prescribed periods; assessments become final if no response is made.
- Administrative protest and appeals to the Court of Tax Appeals are provided.
Taxation of Resident Foreign Corporations and Branch Profits
- Resident foreign corporations taxed on Philippine-sourced income.
- International carriers pay a 2.5% tax on gross Philippine billings including passage documents and cargos originating from the Philippines.
- Branch profits remitted abroad subject to 15% tax; exceptions include export processing zones and petroleum operations (7.5%).
Tax Liability of General Professional Partnerships
- Partners liable individually for income tax on distributive shares of net profits.
- Partners must separately account for income, gains, losses, deductions, and credits as per tax regulations.
Deductible Taxes and Excess Tax Provisions
- Taxes on articles imported but not connected with trade or business, and excess electric energy consumption tax are specified as deductible.
Nonrecognition of Gain or Loss in Certain Mergers
- No gain or loss recognized on property exchanged solely for stock in mergers/consolidations involving related corporations or shareholders under specified conditions.
- Stocks issued for services are excluded from this provision.
Filing Deadlines for Individual Income Tax Returns
- Residents with income solely from fixed sources file returns by March 18 annually.
- All other individuals, including non-resident citizens, file by April 15.
Fiscal Year and Corporate Tax Returns
- Corporations may choose fiscal year-end other than December 31; must notify CIR 30 days before April 15.
Payment and Assessment Procedures
- Income tax must be paid when the return is filed.
- Late returns require payment of tax plus 20% per annum interest from the original due date.
- Taxpayers with tax due over P2,000 may pay in two equal installments.
- Failure to pay installments results in immediate full payment due with penalties.
- Interest on deficiencies is 20% per annum, capped at three years.
- Surcharge of 10% on unpaid taxes applies.
Withholding Tax on Dividends and Royalties
- Dividends to resident individuals and royalties (except mining claims) subject to 10% withholding tax credited against tax liability.
Penalties Related to Withholding Taxes
- Surcharges for failure to render returns, false/fraudulent returns, and nonpayment of withheld taxes apply.
- Government employer employees responsible for withholding may be personally liable.
Income of Partnership Deemed Received by Partners
- Partnership net income (after corporate tax) deemed received by partners in the taxable year, taxable whether distributed or not.
Quarterly Corporate Income Tax and Estimated Individual Income Tax
- Individuals with self-employment income must file declaration of estimated income tax by April 15, paying in four installments.
- Corporations file quarterly income tax summaries within 60 days after each of the first three quarters, with final adjustment return due April 15.
- Penalties apply for underpayment or late payment.
Declaration Under Penalty of Perjury
- Tax declarations and returns must be made under penalties of perjury.
- Filing false returns subjects person to perjury penalties under the Revised Penal Code.
Estate and Donor Tax Provisions
- Transfers in contemplation of death and retention of life interests addressed; bona fide sales for adequate consideration excepted.
- No deductions allowed for nonresident decedents unless estate value in the Philippines is reported.
- Returns filed at Revenue District Office of decedent's domicile or Commissioner’s office if no Philippine residence.
- Surcharges and penalties on unpaid estate taxes included.
- Donor tax returns filed within 30 days after gift date.
Flexibility Clause for Specific Taxes on Tobacco Products
- President, on recommendation, may revise specific taxes and adjust statutory prices of cigars and cigarettes within specified limits.
- Public hearings should be held before recommendations.
Prohibitions and Penalties on Alcohol and Tobacco
- Use or sale of denatured or industrial alcohol for beverages or internal medicines penalized by fines and imprisonment.
- Shipment or removal of liquor or tobacco under false names or brands penalized with fines, imprisonment, and forfeiture.
Time for Payment of Fixed Taxes
- Fixed taxes payable annually by last day of first month of taxable year.
- Penalty of 25% increase applies for late payment.
Percentage Tax Provisions
- Quarterly declaration and payment of percentage tax on gross sales required.
- Specific provisions for imported articles and value-added tax on second sales.
- Penalties for nonpayment or fraudulent return: 25% increase and 50% surcharge.
Forfeiture of Unclaimed Refunds
- Refund checks unclaimed for 5 years revert to the government General Fund.
Preservation and Examination of Books of Account
- Taxpayers must preserve books and accounting records until prescription period expires.
- Limited to one annual examination except under fraud, reinvestigation, or compliance verifications.
- Books must be available for examination at taxpayer's place or Bureau of Internal Revenue.
- Retiring businesses must submit books within 10 days; dissolution requires tax clearance.
Offenses and Penalties for Revenue Officers and Withholding Agents
- Revenue officers guilty of extortion, negligence, conspiracy, false entries, failure to report fraud, or illegal demand face fines (P5,000–P50,000) and imprisonment (1–10 years).
- Government withholding agents failing to withhold, remit tax, or file returns face fines (at least P5,000) and 1–2 years imprisonment.
Effectivity and Implementation
- Most provisions effective upon approval; some sections require implementing rules by the Minister of Finance as condition for effectivity.
This comprehensive explanation covers key amendments, enforcement powers, tax administration procedures, penalties, and other significant provisions introduced by the decree to amend the National Internal Revenue Code.