The data type of the suspicious transaction report is indicated by the letter "L". There are two kinds of data packets in the suspicious transaction report, the normal data packet type is identified by "n" and the special data packet is identified by "s".
Suspicious transaction reporting system refers to the system that financial institutions must report to the People's Bank of China or the State Administration of Foreign Exchange in a timely manner when they follow the relevant indicators stipulated by the People's Bank of China, or when financial institutions judge that the money of customers who conduct transactions with them may come from criminal activities.