If the sums differ, SNCC returns the entire input file to the bank. SNCC only examines the formal aspects of received input data. After this examination, SNCC sends a confirmation to banks about accepting the data for processing. A mechanism of passwords and authenticity verification procedures is used for safety reasons. SNCC does not work with the value date.
All payment transactions enter processing immediately, on the day they are received.
T he format of payment transactions is standardized. It consists of a so-called clearing sentence comprising 99 different types of records. This is a domestic standard valid in the interbank payment system of SR, and it differs from S.W.I.F.T. format. Processing is based on the principle of gross settlement. If a bank does not have enough funds in its technical account to cover a payment transaction, the debit transactions are temporarily put on hold.