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Five key questions about e-invoicing in Serbia

Serbia is implementing mandatory e-invoicing from May 2022. The Serbian e-Invoicing model follows the so-called clearance model, used currently by countries such as Italy and Chile. In this model, transmission and validation of electronic invoices are performed through an interface, which is managed by the tax authorities. In addition to the national e-invoicing system (called Sistem E-Faktura), an auxiliary system (Sistem za Upravljanje Fakturama or SUF) has been introduced to help taxpayers with the processing and storage of invoices. 

Below you can find top five Serbia e-invoicing questions that have been received from our clients during the webinar sessions, and the answers to them. 


1.Will e-invoicing come into effect for all taxpayers at the same time or will there be a gradual implementation?

The introduction of the electronic invoicing is going to be rolled out in three stages:

G2G and B2G mandate transactions will be first and will be obligatory from May 2022.

– This will then be followed by G2B transactions from July 2022.

– Finally, by the beginning of January 2023, B2B e-invoices will become mandatory, and this will conclude the phased introduction of obligatory e-Invoicing.


2. What are the main ways of generating, transmitting, and receiving electronic invoices according to the new regulation?

There are going to be two main ways: you can either submit e-invoices manually through the e-invoicing portal or directly from your ERP system (such as SAP) using a dedicated API provided by the Serbian tax authorities.


3.What is the format and technical requirements of the electronic invoices going to be?

E-invoices will have to be issued in XML format in line with the UBL 2.1 standard. 

The content of the invoices themselves is going to be quite demanding, and numerous fields in the XML file (such as seller and buyer data, product data on goods, detailed VAT data, and payment instruction) will have to be included in the invoices.


4.Is an electronic signature requested before the transmission of the invoices?

Yes, the electronic invoices will have to be signed electronically before they are submitted to the tax authorities. 


5.What are the legal penalties for not complying with the regulation of electronic invoicing?

Non-compliance with the electronic invoicing requirement is subject to penalties of up to 2 million Serbian dinars (around 17,000 Euro). 


To get more information about the process and our related solutions, please contact us at


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