ADMINISTRATION On 15 May 2020, Lee, who operates his own business and who is not an SBE taxpayer, received an amended assessment dated 14 May 2020, amending his original assessment. The original assessment, which was dated 6 November 2019, was received on 7 November 2019. The amended assessment increased his tax payable for the year ended 30 June 2019 by $28,000, disallowing a claim for a repair to factory premises. The due date for payment of the tax is 11 June 2020. | Required: 1. Advise Lee on the action he may take in respect of the amended assessment. 2. Apart from the issue of an amended assessment, what other action may be taken by the Commissioner of Taxation?