After moving, promptly clarify whether an existing contribution account only needs to be changed or whether a residence must be newly registered.

ARD ZDF Deutschlandradio Beitragsservice via the official change/registration route.

Contribution number, new address and move-in details; if someone in the household already pays, their contribution number.

As a rule, only one contribution is due per residence. Do not register twice if one person already pays for the residence.