DirectorSignedStatus must exist at least once. The date reported for SignatureManagingSupervisoryDirectorsDate must be earlier than the current date. When the reported value of DirectorSignedStatus is equal to Ja then SignatureManagingSupervisoryDirectorsDate must exist at least once. When the reported value of DirectorSignedStatus is equal to Ja then SignatureManagingSupervisoryDirectorsLocation must exist at least once. When the reported value of DirectorSignedStatus is equal to Nee then DirectorReasonNoSignature must exist at least once.