12 U.S.C. § 4307
Periodic statements
Each depository institution shall include on or with each periodic statement provided to each account holder at such institution a clear and conspicuous disclosure of the following information with respect to such account:(1) The annual percentage yield earned.(2) The amount of interest earned.(3) The amount of any fees or charges imposed.(4) The number of days in the reporting period.(Pub. L. 102–242, title II, § 268, Dec. 19, 1991, 105 Stat. 2338.)