> For the complete documentation index, see [llms.txt](https://api2-ekycapis.innov8tif.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api2-ekycapis.innov8tif.com/okaydoc/okaydoc-all/supported-documents/singapore/sg-nric-pr-front/additional-information.md).

# Additional Information

### Illumination Detection

**Multiple Laser Image (MLI):** A laser-generated optically variable image, composed of horizontal lines.

![](https://1723857616-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoP1M8bTYgFFHHnAdjjta%2Fuploads%2FGqLUePXd0ZDyYt2Jx8K6%2Fgetpict.jpg?alt=media\&token=075214b2-00a3-4f7b-b2ee-92234108378e)

![](https://1723857616-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoP1M8bTYgFFHHnAdjjta%2Fuploads%2F3eBFuomH3lGZhch0u0Po%2Fgetpict%20\(1\).jpg?alt=media\&token=0519a7d6-f7d8-42e1-bde4-9b9f68d5ee32)

### **Optically Variable Ink Detection**

**Optically Variable Ink (OVI):** Ink containing optically variable pigments that generate a noticeable colour change (shift), depending on the angle of view and/or incidence of light.

![](https://1723857616-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoP1M8bTYgFFHHnAdjjta%2Fuploads%2Fjdf5np0ttC4SueanVNtC%2Fgetpict%20\(2\).jpg?alt=media\&token=9c05db8e-e5e9-4db7-ad26-95d66e55ca3e)

![](https://1723857616-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoP1M8bTYgFFHHnAdjjta%2Fuploads%2FDWTUjQcq4chteccWxB4E%2Fgetpict%20\(3\).jpg?alt=media\&token=e54ac1cb-c421-413a-8178-b727b8f00830)