You will be required to submit Certified True Copies of the following documents:

• Foreign citizenship certificate
• Valid foreign passport (if obtained)
• Deed poll/ change of name certificate / Religious/ Baptism certificate/ Marriage certificate, if there has been a change to your name.

You will also need to submit the following Mandatory Forms:

• Statutory Declaration of Renunciation Form
• Advisory Note on Renunciation Implication Form
• MINDEF Advisory Note (for male applicants only)

You will also be required to return the following documents to ICA:

• Original Singapore Identity Card (IC)
• Valid Singapore Passport
• Singapore Citizenship Certificate (if applicable)

You may refer to Renunciation of Singapore citizenship for more information.

This information is sourced from ICA