Neither Discover nor Capital One are exempt by asset size: https://www.federalreserve.gov/paymentsystems/regii-interchange-fee-standards.htm https://www.federal

Neither Discover nor Capital One are exempt by asset size: https://www.federalreserve.gov/paymentsystems/regii-interchange-fee-standards.htm https://www.federalreserve.gov/paymentsystems/regii-intercha... However, Discover is (largely; I believe at least Pulse is available to issuing banks other than Discover) also a three-party network, which is inherently exempt from the Durbin amendment: https://www.congress.gov/crs-product/R41913 https://www.congress.gov/crs-product/R41913