Utilize the input text as a context reference, choose the right relationship between Mastercard and Credit card from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Credit card companies in the United States are pushing businesses to follow suit, and start accepting the microchips through a liability shift on Oct. 1, when American Express , Discover , Maestro, Mastercard and Visa will relinquish their liability for EMV card-present fraud to any businesses not accepting EMV.

Answer: product_or_material_produced