This is a proposal for how to tacke mutli currency withing the Drupal, Ecommerce environment.

I'm trying to simplify the requirements and the approach to the issue of multi currency so that we can get the job done quickly and second so that we can move out of this short term approach onto more complex scenarios.

*Parallel tracks*

I'd call this model the parallel tracks, as the transactions in one currency never have to be converted into another currency.

We have six currencies

The user inputs the sales value for each currency

The currencies are; GBP, USD, EURO, CAN, AUSD, YEN

The users currency is set by GeoIP of the browser or overridden and set by users location details if they choose. We would have to make list of countries and associate them to currencies.

There would be terms and conditions about what currencies could be used in geographic regions.

Transactions would be processed through PayPal or on credit account in the currency they were made in.

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