Unfortunately, this option is taken away from us in online transactions. There is no legally binding way to change the text of the contract, and you are even forced to tick these "I accept the terms of ..." check boxes before proceeding.
I've implemented electronic signatures before and what I like to do is have the browser submit the agreement back to the server and the server rejects it if it's been altered.
Unfortunately, this option is taken away from us in online transactions. There is no legally binding way to change the text of the contract, and you are even forced to tick these "I accept the terms of ..." check boxes before proceeding.