On May 15, 2026, the Ministry of Finance promulgated Circular 55/2026/TT-BTC prescribing the forms of documents and reports related to investment activities in Vietnam and investment promotion. This represents a significant administrative reform regarding Vietnam investment forms, unifying the entire required paperwork system for foreign investors. For businesses navigating Circular 55/2026/TT-BTC on investment forms: key 2026 updates for businesses, this regulatory change streamlines everything from FDI company registration in Vietnam procedures to IRC amendment processes. This article outlines the new compliance requirements, updated investment reporting forms, and structural changes to Vietnam FDI procedures 2026 that foreign-invested enterprises must adopt.
| Content | New regulation |
| Issuing authority | Ministry of Finance |
| Number | 55/2026/TT-BTC |
| Date of issuance | May 15, 2026 |
| Main content | Promulgation of new investment forms Vietnam 2026 |
| Applicable to | FDI enterprises, investors |
| Related dossiers | IRC, ERC, investment amendment |
| Effective date | May 15, 2026 |
Download full text of Circular 55/2026/TT-BTC here:
According to regulations, the circular promulgates a system of:
The circular applies to many critical investment procedures, including:
Appendix I promulgates documents and reports directly related to investment activities in Vietnam, including:
Applies to:
Download the latest IRC application form (in Vietnamese) here:
Includes forms for:
Download the 2026 investment certificate amendment form (in Vietnamese) here:
Applies to:
Download the new 2026 investment reporting forms (in Vietnamese) here:
Under this new regulation, foreign investors carrying out FDI company registration in Vietnam procedures must use the latest unified Vietnam investment forms applicable nationwide. A foreign-invested enterprise establishment dossier typically includes:
Using the correct forms under Circular 55/2026/TT-BTC helps businesses minimize the risk of being requested to amend or supplement their investment dossiers.
Circular 55/2026/TT-BTC also issues a system of IRC amendment forms applicable to FDI enterprises and foreign investment projects in Vietnam.
Businesses must ensure they use the latest investment registration certificate amendment forms to secure prompt application processing.
| Procedure | Time |
| IRC application Vietnam | 15 days |
| ERC issuance | 3–5 days |
| IRC amendment | 10–15 days |
Circular 55/2026/TT-BTC synchronously promulgates various new investment forms applicable in 2026, including:
| Form group | Applicable content |
| IRC application Vietnam form | Investment project registration |
| ERC issuance form | Enterprise establishment |
| FDI enterprise registration form | Foreign investors |
| IRC amendment form | Investment project amendment |
| Capital contribution and share purchase registration form | Foreign investors |
| Investment reporting forms | Periodic project reporting |
| Investment promotion form | Investment promotion programs |
Businesses and investors should proactively update to the latest investment forms to avoid legal risks and ensure compliance with current regulations.
Circular 55/2026/TT-BTC replaces:
This helps businesses to:
One of the areas most concerning businesses is the system for:
This is a group of procedures frequently utilized by FDI enterprises during their operations in Vietnam.
According to the latest compilation by Viet An Law, in 2026, there are up to 08 synchronously issued documents for investment registration certificate amendments.
The new forms are designed to be:
The new forms assist enterprises and state management agencies in reducing dossier processing time, minimizing errors, and enhancing transparency in investment management.

What should businesses note when applying Circular 55/2026/TT-BTC?
From the effective date of the Circular (May 15, 2026), businesses must:
Consequences of continuing to use old forms:
When establishing a foreign-invested company in Vietnam, investors typically must complete two steps:
| Dossier | Content |
| Written request for project implementation | According to the new 2026 form |
| Investment project proposal | Objectives, capital, location |
| Investor’s legal documents | Passport/Enterprise license |
| Financial proof | Bank statements/Financial statements |
| Headquarters lease agreement | Project implementation location |
| Dossier | Content |
| Enterprise registration application | According to the Law on Enterprise |
| Company charter | Enterprise operation regulations |
| List of members/shareholders | Owners of contributed capital |
| Granted IRC | Investment dossier |
| Legal representative’s legal documents | Citizen ID/Passport |
Preparing a complete IRC/ERC application dossier using the new investment forms Vietnam 2026 will significantly shorten the investment licensing timeframe for foreign investors.
The circular applies to foreign investors, FDI enterprises, investment promotion organizations, and enterprises executing IRC/ERC issuance procedures in Vietnam.
The circular replaces Circular 03/2021/TT-BKHDT, Circular 25/2023/TT-BKHDT, and Circular 06/2025/TT-BKHDT.
Yes. When conducting IRC application Vietnam procedures, businesses and foreign investors must use the new Vietnam investment forms applicable from May 15, 2026.
It includes:
The new circular on investment forms Vietnam 2026 is a critical document that all FDI enterprises, foreign investors, and companies undertaking investment procedures in Vietnam must update in 2026. Utilizing the correct FDI company registration in Vietnam forms and IRC amendment forms will help businesses:
The circular takes effect from its date of issuance (May 15, 2026), applying to investment procedures, IRC/ERC application dossiers, FDI company registration in Vietnam dossiers, and investment registration certificate amendments in Vietnam.
Yes. Following the digital transformation trend in the investment sector, many foreign investment procedures can now be conducted via the online investment registration system.
Yes. If an FDI enterprise or foreign investor adjusts its investment capital, it typically must execute an IRC amendment procedure. The amendment dossier must utilize the new forms under Circular 55/2026/TT-BTC and be submitted to the competent investment registration agency.
Strictly applying the new investment form system under Circular 55/2026/TT-BTC holds significant meaning for FDI enterprises and foreign investors executing Vietnam FDI procedures 2026. Businesses should thoroughly review their IRC/ERC dossiers and project amendment forms to avoid legal risks and extended processing delays.
During foreign investment dossier processing, many businesses face requests for dossier amendments due to using outdated forms or incorrectly declaring content under the new system. Therefore, Viet An Law provides support for:
Businesses should carefully review their IRC/ERC dossiers and investment forms prior to submission to avoid amendment requests or prolonged processing times. Should you require specialized support, foreign investment attorneys at Viet An Law can assist in reviewing and standardizing your dossier in accordance with the Circular 55/2026/TT-BTC on investment forms: key 2026 updates for Businesses standards.