National Registration Identity Card
The National Registration Identity Card (NRIC), colloquially known as "IC" (Malay: Kad Pengenalan Pendaftaran Negara; Chinese: 身份证; pinyin: Shēnfèn Zhèng; Tamil: அடையாள அட்டை, romanized: Aṭaiyāḷa Aṭṭai), is a compulsory identity document issued to citizens and permanent residents of Singapore. People must register for an NRIC within one year of attaining the age of 15, or upon becoming a citizen or permanent resident.
Source: Wikipedia — National Registration Identity Card (CC BY-SA 4.0)