While making payment in CNY you should keep in mind the following:
At commission of payments in yuans in the first line of the column "Purpose of payment" it is necessary to specify value of the mentioned payment code of operation (from 1-to 5).
NB! Without this code payments won't be accepted to processing and CNY payment will be returned to the sender.
Codes and Definition of codes:
Definition: cross-border settlement conducted for trade in goods, including individual retail consumptions, general merchandise, goods for processing, goods required for repairing, goods procured in ports by carriers, transactions to be settled by letter of credit, bills for collection, payment of import equipment and advanced payment, etc.
Definition: cross-border settlement conducted for trade in services, including individual bill payments, services or fees relating to transportation, travel, communications, construction services, installation projects and their subcontract services, insurance, financial services, computer and information services, royalties and licence fees, sports and entertainment, water, electricity and gas bills to be paid by corporations or financial institutions, rent, audit fees, hotel accomodation fees, legal fees, advertising and promotion fees, copyright and design fees, research and development fees, company registration fees, medical expenses, government services not mentioned above and other commercial services, etc.
Definition: Capital account transactions, (capital transfers and acquisition/disposal of non-productive or non-financial assets), capital injection, capital reduction, capital payment, direct investments, securities investments, other investments, shareholder's loan/repayment, other capital payments as approved by relevant regulatory authorities, fund transfers for foreign direct investment (FDI) by enterprises and RMB Qualified Foreign Instructional Investor (RQFII) projects by enterprises, fund transfer between enterprises, individual investments, etc.
Definition: Income and current transfers, remittance of profits, bonus, dividend payment, tax payment and scholarships, etc.
Definition: Donation to charities (non-profit making organizations)