Need a litle clarification about how to configure different notifications for customers accounts.

In all accounts I have:

But for a specific account I want to remove the "ACKOWLEDGE REQUESTER....IS UPDATED", and i remove the option and save it like this:

All is well, but when I return to the all accounts settings, I realize that this removed notification was also applied to all accounts:

What am i missing or doing wrong?

I realize that for the techcniciens notificationes the same thing happens....regardless of the account I choose, the configurations are apllied to all accounts as well.

Can you help me on this issue?

Thank you,

MIGUEL LAMPREIA