1987 Constitution of the Philippines
Section 11.
The ownership and management of mass media shall be limited to citizens of the Philippines, or to corporations, cooperatives or associations, wholly-owned and managed by such citizens.
The Congress shall regulate or prohibit monopolies in commercial mass media when the public interest so requires. No combinations in restraint of trade or unfair competition therein shall be allowed.
The advertising industry is impressed with public interest, and shall be regulated by law for the protection of consumers and the promotion of the general welfare.
Only Filipino citizens or corporations or associations at least seventy per centum of the capital of which is owned by such citizens shall be allowed to engage in the advertising industry.
The participation of foreign investors in the governing body of entities in such industry shall be limited to their proportionate share in the capital thereof, and all the executive and managing officers of such entities must be citizens of the Philippines.