741. Can U.S. financial institutions, including their foreign branches and foreign-incorporated subsidiaries, permit the use of credit and debit cards they issue by, and process credit and debit card transactions for, third-country nationals whose travel to, from, or within Cuba may not fall within the 12 categories of authorized travel? 

Yes. Section 515.584(c) of the CACR authorizes all transactions incident to the processing and payment of credit and debit cards transactions for third-country nationals traveling to, from, or within Cuba. Any person subject to U.S. jurisdiction, including U.S. financial institutions and their foreign branches, may conduct transactions authorized by this section.