Yes, that is not a problem. For example, you can use a user account for your entire family, as several test kits can be activated with one user account.
To do so, go to ‘My cerascreen’ with the access data and activate the test kit by clicking on ‘Activate new test kit’.After entering the tracking code, select the following in step 2 under the question “Who is filling out the questionnaire?”: legal guardian/relative/third party. The questionnaire can then be filled out for the person. This allows you to proceed with several test kits.