You can auto validate the invoice details in the Invoice Information section for those invoice which are in OPEN status. Auto validation with system defined business rules ensure that every approved invoice comply to required processing standards and helps to quickly proceed with further action.

1. In the Collection > Collection > Vendors > Invoices > Invoice Information, sort the list of invoice with status as OPEN from the View Options drop down list.
2. Select the required invoice form the list and click Validate Invoice button on the Invoice Information section header.