TIN data changelog

Updates to our country data and validation rules.

    • United Arab Emirates (AE): UAE Corporate Tax Registration Number guidance now explains which individuals receive a number and distinguishes this from a universal personal TIN. Tax Residency Certificate guidance now reflects the Corporate Tax number shown where applicable.

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    • Tanzania, United Republic of (TZ): Tanzania's Zanzibar Taxpayer Number guidance now includes a reference from an issued registration certificate and a later ZRA letter. It clarifies that the taxpayer number persists separately from VAT registration.

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    • Palau (PW): Palau Employer Identification Number guidance now correctly shows the eight-character displayed format, containing seven digits and a hyphen.

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    • Chad (TD): Chad now includes the National Identification Number (NNI) accepted as a natural person's own tax identifier by the 2025 tax code. Its guidance distinguishes personal NNI use from a company's representative details.

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    • Niue (NU): Niue TINs now require eight digits and are displayed in groups of two, four and two, matching current government filing forms and business-licence guidance. Single-digit values, letters, incorrect lengths and the temporary missing-TIN marker are rejected.

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    • Sudan (SD): Sudan TINs now require exactly twelve digits, based on a reported Taxation Chamber statement corroborated by its current electronic-filing manual. Single-digit values, letters and incorrect lengths are rejected.

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    • Moldova, Republic of (MD): Moldova fallback tax-code guidance now cites the fiscal-registration instruction consolidated with the February 2026 amendment. It clarifies which taxpayer categories use STS-assigned, foreign registration or identity-document codes.

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    • Gibraltar (GI): Gibraltar Taxpayer Reference Numbers now use the seven-digit display format enforced by the current government P8 workbook. Short numeric references remain accepted with leading zeroes restored, while values longer than seven digits are rejected.

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    • Palau (PW): Palau Employer Identification Numbers now require seven digits and are displayed as five digits, a hyphen and two digits. Single-digit values are no longer accepted for any Palau TIN type.

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    • San Marino (SM): San Marino personal Social Security Numbers (Codice ISS) now require between two and nine digits. Short numeric economic-operator codes (COE) remain accepted in their documented equivalent form.

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    • Gibraltar (GI): Gibraltar Taxpayer Reference Numbers are no longer limited to six digits. This includes seven-digit references shown in current Income Tax Office guidance.

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    • Guernsey (GG): Guernsey charity and NPO registration numbers now accept current registry forms without the obsolete three-digit limit. The NOTIN reporting marker for trusts is now guidance rather than an issued TIN.

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    • Moldova, Republic of (MD): Moldova State Tax Service fallback tax-code guidance now cites the official rules for recognised identity, registration and certificate references and explains the need to check the relevant source document.

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    • Chad (TD): Chad NIFs are no longer restricted by an unsupported 16-character limit. The guidance explains that official sources do not establish a complete length specification.

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    • Equatorial Guinea (GQ): Equatorial Guinea NIF guidance now includes an example from an official OAPI bulletin. An unsupported 16-character limit has been removed.

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    • Niue (NU): Niue TINs are no longer restricted by an unsupported 16-character limit. Current official filing forms have been added as sources.

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    • Sudan (SD): Sudan TIN guidance now includes an example from the Taxation Chamber's electronic-filing manual. An unsupported 16-character limit has been removed.

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    • Pakistan (PK): passport-based TINs now require 8 to 30 characters. Single-character values are no longer accepted.

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