You may apply for a new social security card if you have lost your card, damaged it, or if it is no longer readable.Has your professional situation changed in such a way that you expect a different income from your self-employed artistic or journalistic work? Then you need to adjust your income estimate with the Artists' Social Insurance Fund.If you, as an insured person in the artists' social insurance scheme, have a question or concern in connection with your compulsory insurance, you can contact the Künstlersozialkasse.Are you temporarily sending staff abroad? To prove that German social security law continues to apply, you can apply for an A1 certificate for your employees.If your employees or the BA require a certificate of employment, you must send this to the BA. The same applies to a secondary income certificate if employees or persons working for you on a self-employed basis have applied for or are receiving current cash benefits.If you want to lend employees to a third party, you need a permit to do so.You must inform the Künstlersozialkasse if your company's contact details change. You should also inform the Künstlersozialkasse if your contact details change.