Installments made for recurring gifts do not have source codes associated with them. Only the initial pledge amount will have the source code.

To confirm:
  1. Go to Contacts > Individuals or Contacts > Organizations
  2. Search for the supporter
  3. Click on Manage
  4. Click on the Financial > Transactions tabs to view the schedule of the recurring gift.
  5. Click on Choose Columns
  6. Select Source Code
  7. Submit
  8. Verify that the initial pledge is associated with a source code