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To facilitate this transition, the Public Procurement Agency has launched a dedicated portal offering comprehensive compliance guidance. The portal serves as a resource for contracting authorities and economic operators to navigate the new e-invoicing requirements effectively.
As a testament to Bulgaria's commitment to the European Union's digital agenda, from November 1, 2019, all contracting authorities have been obligated to accept and process e-invoices that comply with the European standard on electronic invoicing. This move ensures a harmonized approach to e-invoicing across member states, promoting efficiency and reducing administrative burdens.
Further strengthening the framework, on July 1, 2020, Bulgaria implemented provisions for electronic communication encompassing tender evaluation, contract conclusion, ordering, invoicing, and payment processes. These provisions are part of the broader Law Amending and Supplementing the Public Procurement Act (LASPPA), which aligns national legislation with the EU's eInvoicing Directive.
Central to Bulgaria's e-procurement strategy is the Central Automated Information System Electronic Public Procurement (CAIS EPP). Established by the LASPPA, CAIS EPP operates as the national platform, ensuring a seamless and standardized procurement process. The system underwent a significant update on May 2, 2020, introducing its second version aimed at enhancing communication between public entities and private sector bodies. CAIS EPP is characterized by its three distinct user types, each tailored to meet the specific needs of its stakeholders. The system's management falls under the purview of the Public Procurement Agency, which oversees its operation and ensures its alignment with the eInvoicing Directive.
In Bulgaria, the implementation of e-invoicing is based on bilateral agreements between economic operators and public administrations. This approach allows for flexibility and customization, catering to the unique requirements of each agreement while maintaining compliance with the European standard. The adoption of e-invoicing in Bulgaria signifies a forward-thinking approach to public procurement, setting a precedent for other nations to follow in the pursuit of digital excellence in governance.
Other news from Bulgaria
Will vouchers/gift cards and coupons remain valid after Euro adoption in Bulgaria?

Bulgaria will adopt the euro on January 1, 2026, but certain lev-denominated instruments such as vouchers, coupons, stamps, and lottery tickets issued before that date will remain valid until their expiry or until stocks are used up. Read more
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Already subscriber? LoginMandatory publishing of daily retail prices for certain categories of products in Bulgaria regarding euro adoption

Bulgaria’s Commission for Consumer Protection (KZP) has launched kolkostruva.bg, a platform requiring large retailers to publish daily prices for 101 key product categories as part of euro adoption measures. Read more
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Already subscriber? LoginThe NRA in Bulgaria will monitor prices during Bulgaria’s Euro transition to ensure market transparency.

Bulgaria’s National Revenue Agency (NRA) will closely monitor prices during the euro transition to prevent unjustified increases and ensure transparency, working jointly with the Consumer Protection Commission. The NRA has updated its electronic systems and is running public education campaigns to prepare citizens and businesses for the dual-currency period and smooth adoption of the euro. As Bulg... Read more
The NRA in Bulgaria launches Nationwide Inspections of 7,000 street vendors over undeclared Income

Bulgaria’s National Revenue Agency (NRA) has launched inspections of nearly 7,000 street vendors to ensure compliance with tax, VAT, and social security obligations. Vendors are reminded to declare income, use cash registers (including mobile devices), and follow insurance requirements, with a dedicated NRA brochure and online resources available to guide them. The National Revenue Agency (NRA) in... Read more
Euro in Bulgaria: Mixed payment of euro and leva?

Beginning January 1, 2026, Bulgaria will enter a dual-currency period where both the lev and the euro are legal tender for one month. Note the following key details! Read more
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Already subscriber? LoginNew webinar was uploaded: Recorded webinar: Countdown to EUR in Bulgaria - Compliance Insights for Retailers

On August 28 , 2025, Fiscal Solutions organized a free webinar on the topic „Countdown to EUR in Bulgaria - Compliance Insights for Retailers“ The webinar was held by Nikolina Basić, Legal Consultant at Fiscal Solutions. Read more
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Already subscriber? LoginBulgaria to begin free exchange of Levs to Euros on January 1, 2026

From January 1, 2026, Bulgaria will begin the free exchange of leva to euros, with the Bulgarian National Bank offering unlimited permanent exchanges and commercial banks and post offices providing free services until June 30, 2026. All leva bank accounts will be automatically converted to euros without fees, while exchanges after mid-2026 may incur charges and remain subject to anti-money launder... Read more