Almost all destinations have stipulated requirements for Covid-19-related entry documents in their entry regulations. Make sure that yours are correct and complete.
For entering Germany the following specifications have to be met:
- the test result has to be available as a printout or in electronic form
- the certificate needs to be personalised (including name, address, date of birth of the person tested)
- it has to be available in German, English, Italian, Spanish or French language
- the proof must include the test method and the test result
- the test result needs to be validated by a physician or a recognised laboratory
- test results of gargle tests and self tests are not accepted
- Certificates from online providers that control self-tests via video or photo are not acceptable as 3G proof
Further information on the website of the Robert Koch Institut.