12 CFR 103.121 (b)(2)(i) says:
(i) Customer information required. (A) In general. The CIP must contain procedures for opening an account that specify the identifying information that will be obtained from each customer. Except as permitted by paragraphs (b)(2)(i)(B) and (C) of this section, the bank must obtain, at a minimum, the following information from the customer prior to opening an account:
(1) Name;
(2) Date of birth, for an individual;
(3) Address, which shall be:
(i) For an individual, a residential or business street address;
(ii) For an individual who does not have a residential or business street address, an Army Post Office (APO) or Fleet Post Office (FPO) box number, or the residential or business street address of next of kin or of another contact individual; or
(iii) For a person other than an individual (such as a corporation, partnership, or trust), a principal place of business, local office, or other physical location; and
(4) Identification number, which shall be:
(i) For a U.S. person, a taxpayer identification number