Ohio Rev. Code Ann. § 4719.06
(A) Within the first sixty seconds of a telephone call, and before requesting any financial information or conveying to the consumer any substantive information about a prize, product, or service, no telephone solicitor or salesperson shall fail to do all of the following:
(B) If a sale or an agreement to purchase is completed during a telephone call, no telephone solicitor or salesperson, before requesting payment, shall fail to inform the purchaser of the rights granted under section 4719.07 of the Revised Code and disclose all of the following information in a clear and conspicuous manner: