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Country guide

Solomon Islands

Solomon Islands uses a Tax Identification Number (TIN) issued by the Inland Revenue Division for taxpayers that need to register with IRD. Individuals use the TAA 1 registration route, while companies, partnerships, trusts, schools, NGOs, and other non-individuals use TAA 1A.

SB SLB 2 TIN types Last reviewed 2026-06-05

TIN types

2 published formats. Open a type to see examples, structure details, and official sources.

Validate Solomon Islands TIN
Solomon Islands TIN (Individuals)
Current Individuals

Inland Revenue Division, Ministry of Finance & Treasury

Personal TIN issued by IRD to individuals who need to register as taxpayers, including individuals operating as sole traders or otherwise needing direct tax registration.

Details
Examples
1234567890 123456789
Where to find it

On IRD registration records, E-Tax registration details, tax returns, payment references, tax clearance applications, and other IRD correspondence.

Common names
TIN Tax Identification Number Taxpayer Identification Number
Structure
1-9 or 1-10 Identifier Numeric taxpayer identifier assigned by IRD.
Official source
ird.gov.sb
Solomon Islands TIN (Non-Individuals)
Current Entities

Inland Revenue Division, Ministry of Finance & Treasury

TIN issued by IRD to non-individual taxpayers such as companies, partnerships, trusts, schools, NGOs, and other bodies that need tax registration.

Details
Examples
1234567890 123456789
Where to find it

On IRD registration records, E-Tax registration details, tax returns, payment references, tax clearance applications, and other IRD correspondence.

Common names
TIN Tax Identification Number Taxpayer Identification Number
Structure
1-9 or 1-10 Identifier Numeric taxpayer identifier assigned by IRD.
Official source
ird.gov.sb