diff --git a/specification/columns/billingaccountid.md b/specification/columns/billingaccountid.md index b66ccd0e0..c140f521e 100644 --- a/specification/columns/billingaccountid.md +++ b/specification/columns/billingaccountid.md @@ -2,7 +2,11 @@ A Billing Account ID is a provider-assigned identifier for a [*billing account*](#glossary:billing-account). *Billing accounts* are commonly used for scenarios like grouping based on organizational constructs, invoice reconciliation and cost allocation strategies. -The BillingAccountId column MUST be present in a [*FOCUS dataset*](#glossary:FOCUS-dataset). This column MUST be of type String and MUST NOT contain null values. BillingAccountId MUST be a globally unique identifier within a provider. +The BillingAccountId column adheres to the following requirements: + +* The BillingAccountId column MUST be present in a [*FOCUS dataset*](#glossary:FOCUS-dataset). +* This column MUST be of type String and MUST NOT contain null values. +* BillingAccountId MUST be a globally unique identifier within a provider. See [Appendix: Grouping constructs for resources or services](#groupingconstructsforresourcesorservices) for details and examples of the different grouping constructs supported by FOCUS.