422Provision of new guarantee

422 Provision of new guarantee If a non-WorkCover employer receives a notice of assessment of tail claims liabilities under section 417, the non-WorkCover employer may, with the approval of the Authority, provide a new guarantee in a form approved by the Authority in lieu of a guarantee in force under section 421, to continue in force until the date a payment if required under section 419 is made or, if no payment is required, until the date which is 28 days after the notice of revised assessment is received under section 419.