Adam French, Which? consumer rights expert, added: "Consumers are already facing significant inconvenience and extra costs when shopping with businesses based in the EU and Mastercard's decision to reimpose these hefty charges will come as another blow. "The success of Brexit will be judged by how it affects our everyday lives, so the government must not neglect these consumer issues. Ministers must do a better job of explaining a confusing array of new rules and regulations and the government needs to work with the EU with a view to removing these costs as part of future negotiations." Stay up-to-date with the very latest from your street with our Birmingham News Email Updates. Interchange Visa fees will increase to 1.5% for online credit card payments, and for debit card transactions, the rate will go up from 0.2% to 1.15%. The move to increase interchange fees will bring it into line with MasterCard, which is upping its rates from October of this year following a confirmation in early January.