The term depository institution means any of the following:

1. (a) An insured bank as defined in section 3 of the Federal Deposit Insurance Act;
2. (b) An insured institution as defined in section 408(a) of the National Housing Act;
3. (c) An insured credit union as defined in section 101 of the Federal Credit Union Act; or
4. (d) Any other institution that is carrying on banking activities pursuant to a charter from a Federal or state banking authority.

[57 FR 53997, Nov. 16, 1992]