This updated specification, version 01.08.2024, represents the Core Invoice Usage Specification (CIUS ) in accordance with the SRPS EN 16931-1:2019/A2:2020 standard and version 3.8 of the CEF.
The specification is intended for invoices in domestic trade in the Republic of Serbia, which are exchanged via the electronic invoice system in accordance with the Law regulating electronic invoicing.
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