Commonwealth Consolidated Acts Commonwealth Consolidated ActsWhere the payer and payee of a registrable maintenance liability are the same as the payer and payee of another registrable maintenance liability (whether or not the liabilities arise under the same child support assessment, court order or maintenance agreement and whether or not the liabilities are in relation to the maintenance of the same person), the Registrar may include particulars of the liabilities in the same entry in the Child Support Register.