# Bulgarian National Revenue Agency system update > Live situation record from CLSTR: https://clstr.news/situations/bulgarian-national-revenue-agency-system-update > Updated: 2026-08-26T04:38:35.000Z. Sources: 2. Developments: 2. The Bulgarian National Revenue Agency (NAP) announced a scheduled technological update to its core information systems, set to occur between August 26 and August 31, 2026. During this maintenance period, several services will be restricted. Card payments via POS terminals at NAP offices and through virtual POS services will be unavailable. While electronic services for submitting declarations, applications, and certificate requests will remain operational, users may experience delays in processing. Other specific restrictions include applications for priority social security contributions, changes to pension fund selections, and updates to contact information via electronic services. Physical documents submitted at NAP offices during the update window will be processed after August 31. Additionally, health insurance status and debt information on the electronic portal will only reflect data accepted up to August 26. ## Timeline ### 2026-08-26: Bulgaria: Heating bill deadlines and NAP service updates Bulgarian residents are advised of a August 31 deadline to contest heating bills and a National Revenue Agency system update affecting card payments and certain electronic services through August 31. 2 sources. https://clstr.news/cluster/bulgaria-heating-bill-deadlines-and-nap-service-updates ### 2026-08-17: National Revenue Agency to restrict services for system update The Bulgarian National Revenue Agency will restrict several services from August 26 to August 31, 2026, for a system update, affecting card payments, pension fund changes, and contact info updates. 2 sources. https://clstr.news/cluster/national-revenue-agency-to-restrict-services-for-system-update --- Cite as: Bulgarian National Revenue Agency system update. CLSTR, https://clstr.news/situations/bulgarian-national-revenue-agency-system-update