Just confirming that the Source Account may only be used by Subscribers representing a purchaser.
This has been outlined in PEXA's Service Charter (see section 2.4) and reiterated in the form generated in the Workspace when creating a source line item. Should members need to provide source funds in any other role, they will need to explore other options (for example, using a statutory trust account, having a client pay down their loan prior to settlement, etc).