A claimant may improperly receive disability benefits and workers’ compensations benefits for the same period of time. This happens frequently in the context of a denied/controverted case.
The disability carrier should file Form DB-470, seeking reimbursement.
Practically, what happens is the Judge orders the reimbursement (by way of Order). Future benefits are then reduced to reflect the reimbursement (usually by some set amount per week, for example, $20 per week).