One Window Service Unit (OWSU)

We’re delighted to announce that FTB, in collaboration with the One Window Service Unit (OWSU) and KESS Innovations PLC, now supports FTB KHQR as a convenient payment option for government services provided by OWSU. Customers are now able to pay for government services provided by OWSU via

1. One Window Service Kiosk
Customers are now able to pay for government services via the One Window Service Unit kiosks. Simply select FTB KHQR as the payment option and scan it using the FTB Mobile app.
Required documents:

• Invoice issued by One Window Service Unit

2. Online Payment
Customers are now able to pay for government services via the One Window Service Unit website, which can be accessed by the following link: online.owso.gov.kh. Simply select FTB KHQR as the payment option and scan it using the FTB Mobile app.
Required documents:

• Invoice issued by One Window Service Unit

Benefits
 • Fast and convenient cash handling for government services provided by OWSU
 • Access to other FTB’s products and services