Printed laws of the state or country.
Section 300
SEC. 300. Printed laws of the state or country. — Books printed or published under the authority of the United States, or one of the states of the United States, or a foreign country, and purporting to contain statutes, codes, or other written law of such State or country or proved to be commonly admitted in the tribunals of such State or country as evidence of the written law thereof, are admissible in the Philippine Islands as evidence of such law.