山西：电子税务局如何查询本期已勾选的发票？操作步骤

Group 1 - The article provides a step-by-step guide for taxpayers on how to verify invoices through the electronic tax bureau [1][2] - The first step involves logging into the electronic tax bureau as a business entity and navigating to the invoice usage section [1] - The second step requires accessing the "Invoice Selection Confirmation" interface and selecting the deduction type [2] Group 2 - The third step details how to modify the default selection status from "not selected" to "selected" and how to perform a query based on specific conditions [2]