— hvis de ledsages af en artestation, der bekræfter, at disse statsborgere faktisk retmæssigt har udøvet den pågældende virksomhed i Tyskland i mindst to år i løbet af de fem år, der er gået forud for attestationens udstedelse. (**)
— they arc accompanied by a certificate stating that those nationals have effectively and lawfully been engaged in the activities in question in Germany for at least two years during the five years prior to the date of issue of the certificate. (**)