A prepaid payment system is one of the most popular and flexible payment options in the world.

In the UK, it is the only way that many households can pay for things like heating and electricity.

It is the main method of payment in some parts of the country, but the Royal College of General Practitioners has warned that there are many areas of the UK where it is not widely used.

What are prepaid payment schemes?

The system of paying for things in advance is called a prepaid payment scheme (PPS).

In order to qualify, the scheme must: meet the minimum requirements, such as that it be easy to use, and can be completed in a matter of seconds