The non-resident worker can check the latest validity of his or her Authorization to Stay as Worker in real time via the following methods:

1.	Go to ‘Non-resident Workers Services’ in Macao One Account, select ‘Non-resident Worker’s Personal Information’, the screen will display an inquiry page which contains the information of the non-resident worker such as the image of the Non-resident Worker’s Identification Card, the latest status of the Authorization to Stay as Worker (showing whether it is still valid or invalid) and the validity, the above information can then be checked in real time and showed to others;
2.	Use the mobile phone to scan the QR code on the Non-resident Identification Card, following the instructions and fill in the Date of Birth and verification code to enter the system, the screen will display a page with the Non-resident Worker’s Personal Information such as the latest status of the Authorization to Stay as Worker (showing whether it is still valid or invalid) and the validity, the above information can then be checked in real time and showed to others;
3.	Bring along the Non-resident Worker’s Identification Card and proceed to the self-service kiosks of the Public Security Police Force (PSP) (click to view the locations and service hours), select the relevant service item on the screen of the kiosks and tap the card to read the personal information, the validity of the Authorization to Stay as Worker can be checked in real time and the Slip of Authorization to Stay can also be printed as a self-reminder and showed to others.
4.	Bring along the Non-resident Worker’s Identification Card and proceed to the self-service kiosks of the Identification Services Bureau (DSI) (click to view the locations and service hours ) or the self-service kiosks of the PSP (click to view the locations and service hours), select the relevant service item on the screen of the kiosks and tap the card to read the personal information, the validity of the Authorization to Stay as Worker can be checked in real time and the inquiry proof can also be printed as a self-reminder or showed to others when necessary.