Section 2
SEC. 2. Every person living in the Philippine Islands who can not furnish satisfactory evidence, either by a certificate of recent date from a president of a municipal board of health, public vaccinator, duly qualified physician, or such other person as the Board of Health for the Philippine Islands may designate, or otherwise, to the effect that he is immune against smallpox, shall submit to vaccination as often as may be required by a municipal or provincial board of health, or by the Board of Health for the Philippine Islands; and such vaccination shall be performed gratis.