Kingdee's supplementary income tax expenses should be handled in the accounting subjects. Specifically, the processing can be completed through the following steps.

it is necessary to include Kingdee's supplementary income tax expenses in the accounts payable for taxes and fees. Taxes payable is a liability subject, which is used to record various taxes and fees that enterprises should pay to the state. Incorporating Kingdee's supplementary income tax expenses into this subject reflects that the enterprise still has unpaid income tax expenses.

It is necessary to correctly record the occurrence and payment of Kingdee's supplementary income tax expenses in accounting vouchers. According to the actual situation, you can choose to pay by cash or bank deposit. On the accounting voucher, the payment date, amount and corresponding accounting subjects should be recorded in detail.

thirdly, when preparing financial statements, we should include Kingdee's supplementary income tax expenses in the cost or expense account. The specific classification should be judged according to the business nature of the enterprise and relevant laws and regulations. For example, if Kingdee's supplementary income tax expense is related to the production cost, it can be included in the production cost; If it is related to the sales expenses, it can be included in the sales expenses.

When compiling the tax return, it is necessary to correctly include the income tax payment expenses of Kingdee in the relevant forms. Different countries and regions have different requirements for tax return forms, so enterprises need to fill in relevant information in accordance with laws and regulations to ensure the accurate declaration and payment of income tax expenses.

kingdee's supplementary income tax expenses should be handled in accounting subjects, and recorded, classified and declared according to the actual situation. Reasonable and accurate handling of Kingdee's supplementary income tax expenses is very important for financial management and tax compliance of enterprises. I hope the above answers can help you solve the problem.