partnershop

I extended my contract a short time ago through the o2 website, but I don't know why the partner shop sends me a message asking me to visit the store to update the contract data. My question is do I have to go or is it optional?
 

Edit o2_Jennifer: 24.06.2023 08:12 moved from O₂ Mobilfunk: Vertrag & Tarife to English O₂ Community: Mobile