Applied for cashback card while add on card already exists

[gobsy]

I applied for cashback card for my father but he currently has an add on cashback card from my primary card. Should I closed his add on card? And how to close only the add on card?

 

[Vasuki]

I applied for cashback card for my father but he currently has an add on cashback card from my primary card. Should I closed his add on card? And how to close only the add on card?

By calling customer care