Section 14
SEC. 14. The concession of the right, privilege, and authority mentioned in the preceding sections shall not take effect unless the grantee shall accept in writing and make part of this concession the following condition, to wit: That the grantee, and its successors and assigns state in writing that they are informed of the aspiration of the Filipino people to become a free and independent nation: and that said grantee and its successors and assigns bind themselves not to engage in or aid, by means of contributor in cash or otherwise, anything contrary to said aspiration,