SEC. 17. And be it further enacted, That whenever a certificate shall have been transmitted to the Comptroller of the Currency, as provided in this act, and the association transmitting the same shall notify the Comptroller that at least fifty per centum of its capital stock has been paid in as aforesaid, and that such association has complied with all the provisions of this act as required to be complied with before such association shall be authorized to commence the business of banking, the Comptroller shall examine into the