# A reasonable ratio of calculation calls to committed documents

Source: https://developer.avalara.com/vat-ecom/design-the-document-workflow/reasonable-ratio-of-calls/

**Element type:** Required

**Endpoints used:** N/A

In a normal workflow, we expect to see (on average, including abandoned carts) up to ten tax calculation calls per finalized document. In a straight-forward order entry process, we expect to see about three to five calls.