Section 42National Internal Revenue Code of 1997 (Republic Act No. 8424), Sec. 42

Income from Sources Within the Philippines.-

(A) Gross Income From Sources Within the Philippines. - The following items of gross income shall be treated as gross income from sources within the Philippines:

(1) Interests. - Interests derived from sources within the Philippines, and interests on bonds, notes or other interest-bearing obligation of residents, corporate or otherwise;

(2) Dividends. - The amount received as dividends:

(a) from a domestic corporation; and

(b) from a foreign corporation, unless less than fifty percent (50%) of the gross income of such foreign corporation for the three-year period ending with the close of its taxable year preceding the declaration of such dividends or for such part of such period as the corporation has been in existence) was derived from sources within the Philippines as determined under the provisions of this Section; but only in an amount which bears the same ration to such dividends as the gross income of the corporation for such period derived from sources within the Philippines bears to its gross income from all sources.

(3) Services. - Compensation for labor or personal services performed in the Philippines;

(4) Rentals and royalties. - Rentals and royalties from property located in the Philippines or from any interest in such property, including rentals or royalties for -

(a) The use of or the right or privilege to use in the Philippines any copyright, patent, design or model, plan, secret formula or process, goodwill, trademark, trade brand or other like property or right;

(b) The use of, or the right to use in the Philippines any industrial, commercial or scientific equipment;

(c) The supply of scientific, technical, industrial or commercial knowledge or information;

(d) The supply of any assistance that is ancillary and subsidiary to, and is furnished as a means of enabling the application or enjoyment of, any such property or right as is mentioned in paragraph (a), any such equipment as is mentioned in paragraph (b) or any such knowledge or information as is mentioned in paragraph (c);1avvphil.et

(e) The supply of services by a nonresident person or his employee in connection with the use of property or rights belonging to, or the installation or operation of any brand, machinery or other apparatus purchased from such nonresident person;

(f) Technical advice, assistance or services rendered in connection with technical management or administration of any scientific, industrial or commercial undertaking, venture, project or scheme; and

(g) The use of or the right to use:

(i) Motion picture films;

(ii) Films or video tapes for use in connection with television; and

(iii) Tapes for use in connection with radio broadcasting.

(5) Sale of Real Property. - gains, profits and income from the sale of real property located in the Philippines; and

(6) Sale of Personal Property. - gains; profits and income from the sale of personal property, as determined in Subsection (E) of this Section.

(B) Taxable Income From Sources Within the Philippines. -

(1) General Rule. - From the items of gross income specified in Subsection (A) of this Section, there shall be deducted the expenses, losses and other deductions properly allocated thereto and a ratable part of expenses, interests, losses and other deductions effectively connected with the business or trade conducted exclusively within the Philippines which cannot definitely be allocated to some items or class of gross income: Provided, That such items of deductions shall be allowed only if fully substantiated by all the information necessary for its calculation. The remainder, if any, shall be treated in full as taxable income from sources within the Philippines.

(2) Exception. - No deductions for interest paid or incurred abroad shall be allowed from the item of gross income specified in subsection (A) unless indebtedness was actually incurred to provide funds for use in connection with the conduct or operation of trade or business in the Philippines.

(C) Gross Income From Sources Without the Philippines. - The following items of gross income shall be treated as income from sources without the Philippines:

(1) Interests other than those derived from sources within the Philippines as provided in paragraph (1) of Subsection (A) of this Section;

(2) Dividends other than those derived from sources within the Philippines as provided in paragraph (2) of Subsection (A) of this Section;

(3) Compensation for labor or personal services performed without the Philippines;

(4) Rentals or royalties from property located without the Philippines or from any interest in such property including rentals or royalties for the use of or for the privilege of using without the Philippines, patents, copyrights, secret processes and formulas, goodwill, trademarks, trade brands, franchises and other like properties; and

(5) Gains, profits and income from the sale of real property located without the Philippines.

(D) Taxable Income From Sources Without the Philippines. - From the items of gross income specified in Subsection (C) of this Section there shall be deducted the expenses, losses, and other deductions properly apportioned or allocated thereto and a ratable part of any expense, loss or other deduction which cannot definitely be allocated to some items or classes of gross income. The remainder, if any, shall be treated in full as taxable income from sources without the Philippines.

(E) Income From Sources Partly Within and Partly Without the Philippines.- Items of gross income, expenses, losses and deductions, other than those specified in Subsections (A) and (C) of this Section, shall be allocated or apportioned to sources within or without the Philippines, under the rules and regulations prescribed by the Secretary of Finance, upon recommendation of the Commissioner. Where items of gross income are separately allocated to sources within the Philippines, there shall be deducted (for the purpose of computing the taxable income therefrom) the expenses, losses and other deductions properly apportioned or allocated thereto and a ratable part of other expenses, losses or other deductions which cannot definitely be allocated to some items or classes of gross income.

The remainder, if any, shall be included in full as taxable income from sources within the Philippines. In the case of gross income derived from sources partly within and partly without the Philippines, the taxable income may first be computed by deducting the expenses, losses or other deductions apportioned or allocated thereto and a ratable part of any expense, loss or other deduction which cannot definitely be allocated to some items or classes of gross income; and the portion of such taxable income attributable to sources within the Philippines may be determined by processes or formulas of general apportionment prescribed by the Secretary of Finance.

Gains, profits and income from the sale of personal property produced (in whole or in part) by the taxpayer within and sold without the Philippines, or produced (in whole or in part) by the taxpayer without and sold within the Philippines, shall be treated as derived partly from sources within and partly from sources without the Philippines.

Gains, profits and income derived from the purchase of personal property within and its sale without the Philippines, or from the purchase of personal property without and its sale within the Philippines shall be treated as derived entirely form sources within the country in which sold: Provided, however, That gain from the sale of shares of stock in a domestic corporation shall be treated as derived entirely form sources within the Philippines regardless of where the said shares are sold.

The transfer by a nonresident alien or a foreign corporation to anyone of any share of stock issued by a domestic corporation shall not be effected or made in its book unless: (1) the transferor has filed with the Commissioner a bond conditioned upon the future payment by him of any income tax that may be due on the gains derived from such transfer, or (2) the Commissioner has certified that the taxes, if any, imposed in this Title and due on the gain realized from such sale or transfer have been paid. It shall be the duty of the transferor and the corporation the shares of which are sold or transferred, to advise the transferee of this requirement.

(F) Definitions. - As used in this Section the words 'sale' or 'sold' include 'exchange' or 'exchanged'; and the word 'produced' includes 'created', 'fabricated,' 'manufactured', 'extracted,' 'processed', 'cured' or 'aged.'

CHAPTER VIII - ACCOUNTING PERIODS AND METHODS OF ACCOUNTING