
The Turkish CBI application is the set of legal documents that investors must prepare in full to apply for citizenship under the investment programme of Türkiye. According to actual statistics, document errors are the number one cause of delays and rejections — accounting for approximately 60-70% of cases encountering issues during the assessment process.
The application is divided into four main groups: investor identity documents, family member documents, investment proof documents, and source-of-funds proof documents. Especially for Vietnamese investors, 2026 is a pivotal year for document legalisation procedures — the Hague Apostille Convention will officially take effect in Vietnam from 11/09/2026, fundamentally changing how documents are prepared before submission to Türkiye Citizenship by Investment programme.
This article provides a detailed guide to the entire document list, translation standards, selection of appropriate legalisation procedures, and common errors to avoid.
Before delving into each document group, investors need to grasp the overall structure to plan their preparation effectively. The Turkish CBI application consists of four main groups:
| The | Purpose | Number of basic documents |
|---|---|---|
| A | Main investor identity documents | 8-10 types |
| B | Family member documents (spouse + children) | 5-7 types/person |
| C | Investment proof documents (by option) | 3-7 types |
| D | Proof of source of funds and AML documentation | 4–6 types |
The total number of documents for a family of four (spouses and two children) typically ranges from 35 to 50 types.
All Vietnamese documents must be notarially translated into Turkish (or English) and consularly legalised (before 11/09/2026) or Apostilled (from 11/09/2026). Documents in other foreign languages must undergo the same process.
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This group of documents verifies the identity, legal status, and background of the primary investor applying for citizenship.
1. Vietnamese passport:
2. Citizenship application form (Form VAT-4):
3. Vietnamese birth certificate:
4. Vietnamese judicial record card No. 2:
5. Turkish judicial record:
6. Judicial records from countries of residence for over 6 months in the last 10 years:
7. 4–10 biometric photos:
8. Photos of Turkish visa or entry stamps:
9. Private health insurance in Türkiye:
10. Turkish residential address registration certificate:
The investor’s spouse and children under 18 are included in the same application without additional investment. Disabled children over 18 living with the investor are also included with appropriate disability certification.
Spouse’s documentation:
Specifically for marriage records: if the marriage certificate was issued before 2010 or lacks certain information according to international standards, a new marriage registration extract must be obtained from the People’s Committee of the commune/ward/town where the marriage was originally registered.
Documentation for children under 18:
Documentation for disabled children over 18 (if applicable):
Children born after the investor receives citizenship will automatically hold Turkish citizenship under the principle of jus sanguinis — no separate application is required. However, they must be registered in the Turkish civil registry at a Turkish Embassy/Consulate in Vietnam.
This group varies according to each investment option within the four choices of the programme.
US$400,000 real estate option:
Details of the real estate investment process in the article the US$400,000 Turkish CBI real estate option.
US$500,000 government bond option:
Details in the article Türkiye CBI US$500,000 government bond option.
US$500,000 bank deposit option:
Details in the article Türkiye CBI US$500,000 bank account option.
50-employee job creation option:
Details in the article Türkiye CBI 50-employee job creation option.
This category of documentation is increasingly stringent within the framework of AML and due diligence in 2026. The rejection rate for applications due to AML reasons fluctuates between 10-15% for investors from certain high-financial-risk markets.
Core AML documentation includes:
Important note: Turkish banks and appraisal agencies prioritise funds that are traceable through the banking system. Cash, gold, or assets transferred via unofficial channels are difficult to recognise. Investors must transfer all capital through a Vietnamese bank licensed to perform international transfers.
This is the most important and complex part of the Türkiye CBI application for Vietnamese investors. 2026 is a transition period between two systems.
All Vietnamese public documents must undergo a 3-step process before submission in Türkiye:
Total time for one document is approximately 2-3 weeks. Total cost for a family of four is approximately US$800-1,500, excluding translation.
Vietnam submitted its instrument of accession to the Hague Apostille Convention on 31/12/2025 — the Convention officially enters into force in Vietnam from 11/09/2026. From this point, the process is streamlined to a single step:
Documents bearing an Apostille are directly recognised in Türkiye and 124 other member countries of the Convention. No further certification at the Turkish Embassy is required — this is the core difference that saves both time and costs.
Practical comparison for a family of 4:
| Factor | Consular legalisation (before 11/09/2026) | Apostille (from 11/09/2026) |
|---|---|---|
| Number of steps | 3 | 1 |
| Timeline | 2-3 weeks | 3-5 days |
| Estimated cost | 800-1,500 USD | 400-700 USD |
| Error rate | High (3 steps → 3 checks) | Low (1 check) |
Practical recommendation: investors planning to submit applications after September 2026 should proactively delay the preparation of Vietnamese documents until after the Apostille milestone. This saves 30-40% in costs and 2-3 weeks in time.
Once legalised or Apostilled, documents must be translated into Turkish (preferred) or English.
Core requirements for translations:
Important note on the order of execution: consular legalisation (or Apostille) must be performed before translation. Translating first and then legalising often leads to requirements to start over because Turkish appraisal authorities do not accept translations without the original document’s authentication stamp.
Some investors choose to translate in Türkiye via a local sworn translator (yeminli tercüman) instead of translating in Vietnam. This option has the advantage of being absolutely accepted by Turkish authorities, with competitive costs (50-100 USD/document). The disadvantage: it requires authorising a local lawyer to take the original documents to the translator — carrying the risk of losing documents during international transit.
Analysis of cases rejected or requested for additional information during 2024-2025 reveals the 5 most common errors.
Error 1 — Judicial Record No. 1 instead of No. 2: The Vietnamese Department of Justice issues 2 types of judicial records. No. 1 is concise (listing only active convictions), while No. 2 is comprehensive (full history). Turkish authorities require No. 2. Investors who mistakenly apply for No. 1 will be asked to provide the correct one — extending the process by 2-3 weeks.
Error 2 — Passport expiring in less than 6 months: an unwritten rule but strictly applied. Passports expiring within 6 months from the date of application submission are often rejected. Investors must renew their passports before beginning document preparation.
Error 3 — Translating before legalisation: the correct order is consular legalisation (or Apostille) first, then translation. Doing it in reverse leads to having to redo the entire process — costing an extra 2-3 weeks and 50-70% of the fees.
Error 4 — Bank statements not sufficiently proving cash flow: investors provide 1-3 month statements (insufficient) or only stock investment accounts without savings accounts. The standard requirement is a statement for 6-12 months category of the of the main account showing accumulated cash flow.
Error 5 — Old marriage certificate extracts: marriage certificates issued before 2010 often lack information according to international standards (full names of both parents, exact place of birth). A new extract must be requested at the People’s Committee of the commune/ward where the original registration took place.
The Turkish CBI application process in 2026 has become clearer and more transparent thanks to tightened AML regulations and, in particular, the Apostille Convention taking effect from 11/09/2026 for Vietnamese applications. The total number of documents for a family of 4 ranges from 35-50 types, divided into 4 core groups: investor identity, family members, investment proof, and proof of source of funds.
Overall recommendation for Vietnamese investors: if the expected submission date falls after September 2026, proactively delay document preparation until after the Apostille milestone — saving 30-40% in legalisation costs and 2-3 weeks in time. For applications that must be submitted before this date, plan the 3-step consular legalisation early to avoid congestion in the final stages.
To understand the details of the 6-step implementation process, investors can refer to the article 6-step Turkish CBI process. The overall programme framework is presented at Turkish CBI overview 2026 and travel benefits after receiving the passport are analysed at Turkish passport and the US E-2 route.
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