Section 4
SEC 4. The following may participate in the congress as members thereof: all physicians duly qualified to practise in the Philippine Islands, representatives of charitable organizations, and, in general, all persons interested in the tuberculosis problem. To this end and in order to make the congress a success the Director of Health shall request each district health officer to furnish any information that may be requested by the executive committee on the tuberculosis situation, the extension of the disease, its direct and indirect causes, and suggestions for the improvement of conditions in their respective districts as far as tuberculosis is concerned.