Yes and no. The label code is provided in Germany by the GVL and is a necessary for airplay at German radio stations, as well as corresponding promotional campaigns for radio. The label code can be requested online from GVL by concluding a management contract:
https://gvl.de/rechteinhaberinnen/tontraegerherstellerinnen/online-wahrnehmungsvertrag

You can enter the LC at any time by editing the label in your Feiyr account. By this the LC will be transmitted with your campaign automatically.