Section 1
SECTION 1. The short title of this Act shall be "The Internal Revenue Law of Nineteen hundred and four.
Act No. 1189 Section 1
SECTION 1. The short title of this Act shall be "The Internal Revenue Law of Nineteen hundred and four.
CitationAct No. 1189 Section 1 (LawPlayer, data as of July 4, 2026)
Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).