Group 1 - The article outlines the steps for remotely canceling tax control devices, including the Gold Tax Disk and Tax UKey, through the invoicing software [2][5][8] - It details the verification process for eligibility to perform remote cancellation, including checks for blank invoices and unsubmitted invoices [10][11] - The article emphasizes the importance of contacting the tax authority if the cancellation process is interrupted or if there are multiple devices to be canceled [11] Group 2 - The article discusses the conditions under which a business may not qualify for an A-level taxpayer rating, including having zero tax liability for consecutive months [18][19] - It specifies that businesses with abnormal reasons for zero tax liability, excluding seasonal operations or tax incentives, will not be rated A-level [19] - The article also mentions the criteria for electric vehicles to qualify for tax exemptions, including specific purchase dates and vehicle types [22][23]