Martin Lewis shared an important warning about a law around how people pay in shops and supermarkets.

According to the Money Saving Expert, shops are legally allowed to refuse cash payment for items as long as they are not discriminating against the customer.

The issue was previously mentioned on ITV's 'The Martin Lewis Money Show', where the discussion of legal tender was brought up.

Lewis responded to this saying: "No, they are not breaking any rules."

Watford Observer: Money saving expert Martin LewisMoney saving expert Martin Lewis

"You are allowed to take card only as long as it's not discriminatory for race or disability or something."

He went on to explain the actual definition of legal tender.

"Legal tender has a strict definition.

"It means if you have a court awarded debt against you if someone tries to settle and they're paying in the legal tender you cannot refuse it.

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"And that's all it means."

Martin said notes and cash are a legal currency for spending purposes but in some parts of the country, the only legal tender is actually coins.

When the idea of getting rid of cash altogether Martin said: "I know many people are saying 'why don't we just switch to a cashless society?'

"I don't want that, because there are many vulnerable people who need cash," he said.

This comes after many ATMs and bank branches have been closing down however there was some good news despite this.

"The Government has said that once we leave the EU in January it will change the rules so if you want to get cash out form a supermarket you don't have to buy anything," Martin said.

At the moment, shoppers are still being encouraged to use contactless payment methods when they are making essential trips to the supermarket.

Contactless is preferred to cash during the coronavirus pandemic as it reduces contact between people and allows for social distancing between shoppers and till staff.

But contactless, either through a card or phone, is not available to everybody all of the time and there are those who prefer to use cash when paying for goods.

While the UK's major supermarkets all say they would prefer customers to use contactless when they can, it does not mean they will not accept cash at all.