1. A letter (issued not more than one month ago) from the employer addressed to the Controller of Immigration, stating the date of employment, position held and monthly salary;
2. A statement from the CPF Board showing the CPF Contribution History for the last 12 months;
3. Income Tax Notices of Assessment for the last 3 years. Income Tax Notices of Assessment指的是税务局邮寄给你的书面缴税单,这也是唯一的有效法律税务记录,如果丢失的话,得去税务局补办(S$15/copy)