Changing Your Tax Regime at SAT Guatemala 2026: Small Business, General, and Special

Tax regime change is the administrative procedure to modify the regime under which you pay taxes to SAT. In Guatemala there are three main regimes: Small Taxpayer (flat 5%), General Regime (12% IVA + ISR), and Special Regime for independent professionals with particular characteristics.

Quick summary regime change: Free procedure at Agencia Virtual. Voluntary change only in January of each year; mandatory immediate if you exceed the limit. Small Taxpayer limit: Q465,381.25 (Decreto 31-2024). No administrative payment.

What Is Tax Regime Change?

Regime change is the official modification of the scheme under which a person or business pays taxes in Guatemala. SAT maintains the current regime of each taxpayer in the Unified Tax Registry (RTU), and this determines:

• Applicable IVA rate (5% flat vs 12% with tax credit)
• ISR calculation method (on gross income vs net profit)
• Frequency and type of filings (monthly vs annual)
• DTE types enabled in FEL
• Accounting obligations (simplified books vs complete accounting)

Verify my current regime in RTU →

The 3 Main Tax Regimes

1. Small Taxpayer (Pequeno Contribuyente)

2. General Regime (Lucrative Activities)

3. Special Regime / Professionals (Personal Services)

When to Change Regime

Mandatory Change (Immediate)

You must change regime within 30 days of when the event occurs:

• Small Taxpayer exceeding Q465,381.25 → must move to General Regime
• Individual incorporating a company → moves to legal entity regime
• Substantial activity change — e.g., merchant becoming independent professional

Voluntary Change (Only in January)

If you meet requirements for another regime, you can voluntarily change from January 1 to 31 of each year:

• Small Taxpayer → General Regime (strategic if you want IVA credit)
• General Regime → Small Taxpayer (if your income dropped and you qualify)
• Change between general and professional regime

Small Taxpayer vs General Regime — Which Is Better?

Rule of thumb: If you pay more IVA on purchases than you collect on sales (low-margin business with many inputs), the General Regime lets you recover tax credit — a real advantage over the Small Taxpayer’s 5%.

How to Change Regime Step by Step

Online (Agencia Virtual) — Recommended

1. Go to portal.sat.gob.gt/portal/agencia-virtual
2. Log in with your CUI/NIT and password
3. Navigate to “Tax Registry” → “Registration Modification” → “Regime Change”
4. Select the new regime from the catalog
5. Indicate reason: voluntary (January) or exceeding limit
6. Confirm economic activity (CIIU code)
7. Submit application — change is instant if you meet requirements
8. Download updated RTU with new regime in effect

In Person (SAT Agencies)

1. Visit any SAT agency with DPI
2. Request registration modification form
3. Indicate new regime and reason
4. Receive instant confirmation of the change

What Happens After the Change

Once the change is approved:

• Your RTU updates with the new regime effective from application date (mandatory change) or January 1 (voluntary change)
• FEL syncs automatically — available DTEs change per the new regime
• Filing forms change:
  • Small Taxpayer: SAT-2046 (monthly)
  • General Regime IVA: SAT-2237 (monthly)
  • General Regime ISR: SAT-1411 (annual)
• Accounting obligations adjust — if you move to General Regime, you must keep complete accounting
• Notify your clients — some withhold IVA per your regime, especially exporters and State entities

Penalties for Not Updating Regime

If you exceed the Small Taxpayer limit and don’t change to General Regime:

• Q1,000-Q5,000 fine per Tax Code for incorrect registration
• Retroactive IVA collection at 12% on everything invoiced above the limit (the difference between 12% and 5%)
• Late payment interest on omitted tax
• Fiscal solvency block until regularizing

Three months of operating under incorrect regime can represent Q15,000-Q50,000+ in retroactive collections. Timely change is free; ignoring it is expensive.

Frequently Asked Questions

“I change my regime in February — does it apply for 2026 or 2027?”

If you do it outside January 1-31, the change applies from the application date forward, not retroactively to the full year. To apply for the whole year, you must do it in January.

“I’m a new taxpayer. What regime does SAT assign me?”

When you first register for a NIT, you choose the regime per your activity and income projection. If you don’t choose, SAT registers you by default in Small Taxpayer.

“How does the change affect invoices I’ve already issued?”

Invoices issued under the previous regime keep their validity. Only new invoices reflect the updated regime (DTE type change, IVA separately stated vs included, etc.).

“Can I change regime if I have debts with SAT?”

Yes, but SAT may condition the change on a payment agreement. The recommendation is to get current first — an approved change with pending debts complicates tax credit recovery.

“Small business with one large client — does Small Taxpayer make sense?”

Depends on the client. If your client is the State or an exporter, they withhold IVA at 12%. As Small Taxpayer you only declare 5% and the rest remains as withholding in your favor. Calculate with your accountant.

Practical Tips

1. Project your annual income in December — decide in January if it’s worth changing for 2026.
2. If you’ll import merchandise (calculator), the General Regime gives you tax credit for customs IVA.
3. Document the reason for the change — keep calculations and projections in case SAT asks.
4. Check your RTU after the change (print RTU) to confirm SAT registered correctly.
5. Call 1550 if the system won’t accept the change — there may be blocks from pending filings.
6. Change your accounting before the change — if moving to General Regime, hire an accountant from day 1.

Official Links

• SAT — Agencia Virtual
• SAT — Main Portal
• SAT Information Line: 1550
• Declaraguate

Related SAT Procedures

• CUI-NIT Lookup — verify your NIT and regime
• Print RTU — download certificate with current regime
• SAT Agencia Virtual — portal for regime change
• Declaraguate SAT — where you file returns per regime
• Annual ISR Return — General Regime
• Net Salary Calculator — if combining self-employed + employee
• Closing Your NIT — alternative if you stop operating
• Temporary Suspension — intermediate alternative