“Visa, the world’s second-largest card payment company, recently issued a compliance memo to customers warning them that miscoding point-of-sale transactions through the use of so-called cashless ATMs—a practice used by some cannabis retailers as a workaround to accept credit or debit cards for purchases—could lead to penalties or other unspecified enforcement action. The warning comes as congressional lawmakers grapple with how to handle marijuana business banking. The House passed a defense bill in September with language that would have protected banks that work with state-legal cannabis companies , but after talks with the Senate, those provisions were not attached to a new bicameral deal filed Tuesday .”