---
title: "Tax articles"
description: "Deadlines, returns, household business tax and what changed in 2026."
canonical: https://sosachsang.thenexova.cloud/en/blog/topic/tax
lang: en
last-updated: 2026-10-04
---

TL

# Tax articles

> Deadlines, returns, household business tax and what changed in 2026.

Nguồn / Source: https://sosachsang.thenexova.cloud/en/blog/topic/tax


Deadlines, returns, household business tax and what changed in 2026.

Start here · 7 min read

## [Monthly or quarterly VAT filing in Vietnam, and the 2026 deadlines](/en/blog/vietnam-vat-filing-monthly-or-quarterly)

Who may file VAT quarterly in Vietnam, the VND 50 billion test, due dates on the 20th and at month end, every 2026 weekend and holiday shift, and the new 01/GTGT form.

Trần Minh Quân · updated 04/10/2026

10/26

### October 2026

02/10

Tax

[Vietnam tax payment extension 2026: who qualifies and the 2 November cut-off](/en/blog/vietnam-tax-payment-extension-2026-decree-245)

Decree 245/2026 defers VAT, provisional CIT, household PIT and half of 2026 land rent for listed sectors and small firms. Returns stay on time. Apply by 2 Nov 2026.

6 minQuân

09/26

### September 2026

25/09

Tax

[CIT finalization and financial statements for 2026: due 31 March 2027](/en/blog/vietnam-cit-finalization-financial-statements-2026)

What to file by 31 March 2027, the 15% and 17% CIT rates for small companies, and a week-by-week plan from December so nothing piles up in March.

7 minTài

08/26

### August 2026

12/08

Tax

[Quarterly provisional CIT in 2026: the new deadline and the 80% rule](/en/blog/vietnam-provisional-cit-2026)

From 1 July 2026 provisional CIT is due on the last day of the month after each quarter. A worked example for a VND 6 billion company so four quarters reach 80%.

7 minTài

07/26

### July 2026

23/07

Tax

[E-invoices for household businesses in 2026: when they become mandatory](/en/blog/e-invoices-household-business-2026)

From VND 1 billion a year, Vietnamese household businesses must use tax-coded or cash-register e-invoices and register within 30 days. Which type suits your shop.

5 minTrang

06/26

### June 2026

18/06

Tax

[Filing household business tax on eTax Mobile, step by step](/en/blog/filing-household-tax-on-etax-mobile)

How a household business files form 01/CNKD on eTax Mobile: log in, pick the right quarter, enter revenue, submit, then pay. With the mistakes we see most.

6 minQuân

05/26

### May 2026

14/05

Tax

[Household businesses under VND 1 billion: no tax, but three things to do](/en/blog/household-business-under-1-billion)

Under VND 1 billion a year, a household business pays no VAT or PIT in 2026, but must still send a revenue notice, keep a sales book and watch the threshold.

6 minTrang

03/26

### March 2026

12/03

Tax

[Household business tax in Vietnam 2026: who files, how much, when](/en/blog/household-business-tax-vietnam-2026)

Lump-sum tax for household businesses ended on 1 January 2026\. The tax-free threshold is now VND 1 billion a year. The four revenue groups, the maths and the deadlines.

8 minHạnh

[2026 tax calendar](/en/tax-calendar-2026)[Common questions](/en/faq)[Search the articles](/en/search)