Usually, this is unnecessary. However, if you have the following circumstances, you need to submit relevant materials at the same time:
1. If the important basic information of natural persons (effective contact information such as mobile phone and bank card) changes, the Basic Information Form of Individual Income Tax (Table B) shall be submitted to provide the latest basic information;
2. If the new declaration enjoys special additional deduction or the relevant information changes, it is necessary to supplement or update the relevant information;
3. For the new application for commercial health insurance deduction, a detailed list of pre-tax deduction of commercial health insurance shall be submitted, and information such as tax priority identification code, effective date of policy, premium and deduction amount shall be provided.
4. If the tax deferred commercial endowment insurance is newly declared and deducted, it is required to submit the pre-tax deduction list of tax deferred commercial endowment insurance, and provide information such as tax deferred pension account number, tax declaration check code, premium and deduction amount.
5. To declare charitable donations that are allowed to be deducted, you need to submit a list of personal income tax deduction for charitable donations, and provide information such as the name of the recipient, the donation amount, and the voucher number.
6. To declare personal income tax reduction or exemption, you need to provide a personal income tax reduction or exemption declaration form, indicating the type and amount of tax reduction or exemption.
7. If there is still overseas income and the tax credit for overseas income is declared, unless otherwise provided, tax payment certificates, tax payment books or tax records of tax year issued by overseas taxpayers shall be provided.