Fiserv and multiple service station and fuel retailers, including BP, are warning U.S. stores about illegal vape products and sales, according to reports. The groups say they are alerting merchants to potential violations involving vaping products that do not comply with applicable U.S. requirements. The warnings are directed at retailers that accept payments through Fiserv systems, as well as at operators of service stations where customers may buy vaping products. While details vary by outlet coverage, all describe the effort as part of a compliance and risk-prevention approach, aiming to reduce the sale of products considered illegal or improperly marketed. The companies’ messaging focuses on identifying and handling vape transactions in line with relevant laws and store policies. The reports do not indicate a single enforcement action in the information provided, but instead frame the initiative as guidance to help retailers avoid illegal inventory and unauthorized sales. Overall, the announcements highlight coordination between a payments provider and retailers to flag potential illegal vaping issues across store networks.