Does the subject want to ask, "What materials do couples need to share their children's schooling?" Personal income tax declaration form, tax registration certificate, identity certificate, bank account letter, children's schooling certificate and other related certification materials, as follows:

1. personal income tax return: you need to fill in and submit the personal income tax return to prove the payment of personal income tax.

2. Tax Registration Certificate: You need to provide a tax registration certificate to prove that you are a legal taxpayer.

3. Identification: You need to provide your identification to prove your identity.

4. Bank account information: it is necessary to provide bank account information so that the tax authorities can transfer the tax refund to the account.

5. Proof that the children are studying in China: If the children are studying in China, they need to provide proof that they are studying in China.

6. Other relevant certification materials: If other relevant certification materials are needed, they can be provided.