4.2 Currency Format

Columns that contain currency information in cost data following a consistent format reduce friction for FinOps practitioners who consume the data for analysis, reporting, and other use cases.

A currency may be one of the following currency types:

• National currency (e.g., USD, EUR).
• Virtual currency (e.g., tokens, credits).

All columns capturing a currency value, defined in the FOCUS specification, MUST follow the requirements listed below. Custom currency-related columns SHOULD also follow the same formatting requirements.

Formatting for currency columns appearing in a FOCUS dataset.

• Currency-related columns MUST be represented as a three-letter alphabetic code as dictated in the governing document ISO 4217:2015 when the value is presented in national currency (e.g., USD, EUR).
• Currency-related columns MUST conform to StringHandling requirements when the value is presented in virtual currency (e.g., credits, tokens).

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