Online or in person the banks must follow the Truth in Savings Act providing you with the info u need and should have sent this when u opened account even with your copy of your online application
Go to the following site and take a copy to your bank asking for your proofs under the 1030.3 General disclosure Act
https://www.consumerfinance.gov/rules-policy/regulations/1030/3/
(a) Form. Depository institutions shall make the disclosures required by §§ 1030.4 through 1030.6 of this part, as applicable, clearly and conspicuously, in writing, and in a form the consumer may keep. The disclosures required by this part may be provided to the consumer in electronic form, subject to compliance with the consumer consent and other applicable provisions of the Electronic Signatures in Global and National Commerce Act (E-Sign Act) (15 U.S.C. 7001 et seq.). The disclosures required by §§ 1030.4(a)(2) and 1030.8 may be provided to the consumer in electronic form without regard to the consumer consent or other provisions of the E-Sign Act in the circumstances set forth in those sections. Disclosures for each account offered by an institution may be presented separately or combined with disclosures for the institution's other accounts, as long as it is clear which disclosures are applicable to the consumer's account.