Log in using your email & password (alternatively using facebook or google).
Click on your name - top right corner of the screen.
In the dropdown menu select "My Entries".
A list of your entries will be displayed
Select "detail" for your sani2c entry - this will load an overview of your entry.
In the members table, on the right you will see a substitute button.
Clicking the substitute button will open the "Substitute member" page.
Enter the email of the person who is going to receive the entry.
You will be redirected back to your registration overview page - not the message at the top of your screen:
"Substitution added to change list. Please click 'confirm changes' in your changes overview."
Click on the changes overview or scroll to the bottom of the page where you will see the Confirm changes button
Once you are sure that the information is correct click Confirm changes, if for any reason the information is not correct you can withdraw the substitution.
You will be redirected to the payment page where the substitution fee can be payed.