Status of ISN markers

If you just need to confirm whether an ISN marker which you have found on the ground is legitimate, you can use SLA Mobile Services to enquire the status of an ISN marker by sending a request to INLIS via SMS. After the search is completed, a reply would be sent to your mobile phone with details of your request.

Status of Benchmarks

If you just need to confirm whether a benchmark which you have found on the ground is legitimate, you can use SLA Mobile Services to enquire the status of a benchmark by sending a request to INLIS via SMS. After the search is completed, a reply would be sent to your mobile phone with details of your request.

To start using SLA Mobile Services, you would need to register your mobile phone with SLA. For registration procedures, please click here for a step-by-step guide.

User Manual
Click here for the User Manual of SLA Mobile Services – Status of Horizontal or Vertical Control Point.