Idaho Code § 39-5715
No permittee shall mail or ship tobacco products or electronic smoking devices in connection with a delivery sale order unless, before mailing or shipping such tobacco products or electronic smoking devices, the permittee accepting the delivery sale order first obtains from the prospective customer a certification that includes proof of age that the purchaser is at least twenty-one (21) years old, the credit or debit card used for payment has been issued in the purchaser's name, and the address to which the tobacco products or electronic smoking devices are being shipped matches the credit card company's address for the cardholder or employs technology that requires and authenticates independent, third-party age and identity verification services, comparing data against third-party sources.
Idaho Code § 39-5715