You can only have access to checkout page code if you are on a Plus Plan!
We have big issues with the shipping company, just because of this stupid thing....!
I am wondering is there any other way to do that, I mean an app or some hack? I really need to make the ZIP mandatory for Irish orders or else our shipping partner blame us for undelivered and missing parcels! Just because they don't have the postcode, how convenient!
It is ridiculous...one should be able to decide if the postcode should be mandatory or not!