### Question
How does the law define business day?


### Answer
Under *15 U.S.C. § 1693a*, **business day** is defined as:

> any day on which the offices of the consumer's financial institution involved in an electronic fund transfer are open to the public for carrying on substantially all of its business functions

#### Citation:
  - *15 U.S.C. § 1693a*
  - Heading: **CHAPTER 41-CONSUMER CREDIT PROTECTION > SUBCHAPTER VI-ELECTRONIC FUND TRANSFERS**

