Section 12. Any person who shall violate any mandatory or prohibitory provision of this Act, or any mandatory or prohibitory provision of the regulations prescribed by the Secretary of Commerce and Communication under this Act, or any mandatory or prohibitory provision of the International Radio Regulations, upon conviction thereof by a court of competent jurisdiction, shall be punished by a fine of not more than three hundred pesos or by imprisonment for not more than three months, or both, for each and every offense.