This type of certificate is valid in electronic form, ie. downloaded to a mobile device (tablet, phone). The EU Digital Certificate for NEGATIVE PCR or Antigen Test shall be issued together with the result of the test. Use the data sent via SMS to access the laboratory results portal. Log in with your account to see the test result and the generated certificate. The result and the certificate can be downloaded and printed. EU digital certificate for POSITIVE PCR or Antigen test is obtained after the expiration of the quarantine. The certificates are received by the national health system (his.bg), through a unique NRN number.