Hello, florence_tang .

0% EP is used to purchases related to residential properties or certain financial services where no GST was imposed.

To learn more about GST rates, please check this article: How do I set up sales GST/VAT rates and use them on forms? (International QBO).

You might also want to visit the IRAS website if you have additional question about GST codes: https://www.iras.gov.sg/irashome/default.aspx

Thanks for dropping by!