1. Prepare application materials: prepare overseas purchase contracts, invoices, payment vouchers and other related materials.

2. Fill in the declaration form as required: fill in the declaration form of overseas income and expenditure as required by the state.

3. Declaration and submission: Submit the completed overseas revenue and expenditure declaration form and related materials to the local foreign exchange bureau.

4. Waiting for approval: waiting for the approval of the State Administration of Foreign Exchange. After the approval, the payment can be made formally.