Alteration

Any change involving an erasure or rewriting in the date, amount, or payee of a check or other negotiable instrument.

Any change involving a deletion or rewriting in the date, amount, or payee of a check or other negotiable instrument.

A change resulting in something that is different from the original.

Changing or making different.

In encryption, the process of changing one or more message elements in a message as a means of committing a fraud. [After X9.19]