The Attorney General is authorized to cancel any certificate of citizenship, certificate of naturalization, copy of a declaration of intention, or other certificate, document or record heretofore issued or made by the Commissioner or a Deputy Commissioner or hereafter made by the Attorney General if it shall appear to the Attorney General's satisfaction that such document or record was illegally or fraudulently obtained from, or was created through illegality or by fraud practiced upon, him or the
If it shall appear to a district director that a person has illegally or fraudulently obtained or caused to be created a certificate, document, or record described in section 342 of the Act, a notice shall be served upon the person of intention to cancel the certificate, document, or record. The notice shall contain allegations of the reasons for the proposed action and shall advise the person that he may submit, within 60 days of service of the notice, an answer in writing under oath or affirmation