Home › CFR › Title 46 › Part 35546 CFR Part 355 — Requirements for Establishing United States Citizenship§ 355.1— General.§ 355.2— Requirements regarding evidence of U.S. citizenship; affidavit guide.§ 355.3— Criteria to be applied in support of stock data in affidavit.§ 355.4— Changes in citizenship data.§ 355.5— Additional material.