Customer Prepayments

Hi Andrew,

It should go here:
Account Settings > Design Customisation

Then click 'Advanced CSS & HTML Customisation'

Pasted image815x124 7.99 KB

Select 'Custom Scripts'

Copy the code into there, and save:

Pasted image877x164 10.3 KB

Is that where you put it? If not, give it a go and let me know how you get on