To access RBS Mastercard statements online, users typically need to log in to their online banking account through the RBS website or mobile app. Once logged in, they can navigate to the section dedicated to credit cards or account statements. There, they should find an option to view or download their statements. It is important for users to have their account details and login information ready, as this will be required for access. In addition, users may want to ensure that they have registered for online banking if they have not done so already. For the most accurate and up-to-date information, it may be helpful to check the RBS Mastercard website directly for guidance on accessing statements and any potential updates to the process.