You can define on your checkout page which fields are displayed there for the buyer and which of them are mandatory.
You make these settings under "Templates" and then "Checkout pages."
If you only have one template, this applies to all products.
If you have several payment page templates, you can add them to certain products.
Defining the setting
- Go to "Templates" and then "Checkout pages"
- Choose the corresponding template and click on the editing pencil.
- Then go to the area you want to edit, e.g. setting for paid products.
Here you can specify which fields should be displayed (1st column) and which of them are mandatory (2nd column).
- Save the change.
To test this, go to your product's checkout page. You can then see which fields are displayed and which are mandatory.