If you have already been paid royalties for a program and there is now a competing claim to those royalties you may need to return these royalties to Screenrights.
Of course, this will depend on the outcome of the competing claim. If the competing claim is resolved in your favour then the royalties have already been paid appropriately and you will not need to repay those royalties to Screenrights.
If the competing claim is resolved in favour of the other party, either in part or in full, then you will need to repay any affected royalties to Screenrights. Normally this repayment takes the form of an adjustment against a future payment, however you can elect to repay the royalties immediately to Screenrights by requesting an invoice.