The Ariba Buyer system administrator must verify that base, reporting, and transaction currencies convert correctly during euro conversion.

Users can change their default user currency at any time using the Change Default Locale and Currency screen.

In Ariba Buyer, currencies are defined as follows:

Base Currency: The primary currency used for business (accounting) transactions. The base currency allows the system to compare or combine amounts transacted in different currencies.

Reporting Currency: An alternate base currency useful when a company needs to account for transactions in two currencies (for example, reporting taxes in both the euro and the national currency unit). Reports can be configured for dual currency reporting (in which values are displayed in both the base and reporting currencies), and to show the euro equivalent of the reporting currency.

Transaction Currency: The currency used for a specific transaction, such as a specific expense item. When users create expense reports, they can enter a transaction currency that is different from their preferred user currency. For example, a user who works in the United States would probably have a preferred currency of US dollars (USD), but might specify a different transaction currency when doing business with companies from the European Union (EU). Depending on the groups, roles, and permissions assigned to them, users can also specify a transaction currency when approving requests.

User Currency: This is the default currency listed in a user's preferences. When the user creates requests, it is the default currency assigned by Ariba Buyer. Users can override their default currency and use a transaction currency when needed, as when creating an expense report.