You cannot load from a parent’s account to a child’s GAICA card.

In the case of a GAICA Prepaid Card, please transfer from a financial institution in the name of the party to the contract.
▼ Loading (GAICA)   To load your GAICA Prepaid Card

In the case of a GAICA Flex Prepaid Card, the procedures are possible from the Member-Only Site of the party to the contract him/herself.
▼ Loading (GAICA Flex)   To load your GAICA Flex Prepaid Card

▼ Click here for The way to distinguish between GAICA and GAICA Flex

＞　Click here for the official GAICA website