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A budget offset is a description of the relationship between a single budget allocation and one or more cost allocations. Proliance automatically creates an offset whenever you create a budget allocation in a cost account or scope document, assuming the offset feature is enabled on the Settings pages of the respective documents.
When an offset is first created, Proliance creates a corresponding cost allocation for each budget allocation. This cost allocation is identical to the budget allocation, except that it links to a cost ACR column rather than a budget ACR column.
When you edit the budget allocation, Proliance automatically updates the offsetting cost allocation's values as well, provided that the values in each were the same to begin with.
Note: The automatic update behavior only occurs when you update the budget allocation. Edits to the cost allocation do not affect the budget allocation. For more information, see "How Offsets Affect Budget and Cost Allocations".
Any budget allocation that is controlled directly by a cost account can have offsetting cost allocations in the same cost account. You create budget offsets on the Cost Account - Line Items page.
A scope document's line items can also have offsets. However, these do not appear on the scope document, although they affect the Anticipated Cost Report. You can turn the setting for offsets on or off from the Scope - Settings page.