You can sent your appeal letter to ICA by email
There is no online application for an appeal. Applicant will have to email their Appeal Letter directly to ICA
Several factors may affect the outcome of your application. Sometimes it can be health issues, misrepresentation or criminal records. It can often be the case whereby there is a discrepancy within your application and documents, etc.
While there are no straightforward templates for appealing for a PR application in Singapore or citizenship, we are more than willing to assist you through the process of coming up with better chances of getting your next PR application to be approved. Do check with us to find out more.