If your merchant's customers are other businesses, then you want to enable this action code. Level 2 Data when added to both your auth and capture will lower interchange by as much as 1/2% for some business, corporate and purchasing cards

NOTE:
For testing, set the following fields after selecting the "Try It" button
externalReferenceID = Unique record identifier for processing - you assign Numeric Min = 16 Max 19
transactionDate = Set to UTC timezone, Format 2020-09-15T17:01:01
Link to UTC time = https://time.is/UTC

Language
Authentication
Click Try It! to start a request and see the response here!