CFR > Title 22 - Foreign Relations > CHAPTER I—DEPARTMENT OF STATE > SUBCHAPTER E—VISAS (parts 40 to 47) > PART 40—REGULATIONS PERTAINING TO BOTH NONIMMIGRANTS AND IMMIGRANTS UNDER THE IMMIGRATION AND NATIONALITY ACT, AS AMENDED > SUBPART C—Criminal and Related Grounds—Conviction of Certain Crimes (§40.21 to §40.26-40.29)