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UEN: A Unique Entity Number (UEN) is an identification number that is generated for a business entity, following successful incorporation/registration with ACRA. All business entities need to use the UEN when transacting with government agencies. This UEN is issued free of charge to business entities.
Special UEN (SUN): Entity owners can choose, at a fee, a preferred UEN from a list of reserved UENs during entity incorporation / registration or conversion. This preferred UEN is known as Special UEN (SUN).
Free UEN: Those who do not wish to apply for a SUN will continue to be issued with a free system-generated UEN. SUN enables entity owners to more easily identify with and remember their own UEN when transacting with government agencies.
| Special UEN (SUN): Entity owners who would like to apply for the SUN service can choose their preferred UENs through two tiers as follow: | ||
| Tier | Criteria / Combination | Fee per SUN |
| Tier 1 | SUN is defined as number with consecutive same number, or any number combination involving the number ‘8’. (such as 201988888A) | S$3,000 |
| Tier 2 | SUN is defined as number with repetitive pattern excluding the number ‘8’. (such as ‘222’, ‘777’ Or ‘201922333A’) | S$1,000 |
