Bi Payroll Social

---
name: bi-payroll-social
description: "Calculate monthly employment income withholding and ordinary private-sector INSS contributions in Burundi during 2026. This Guide separates the payroll tax base from the contribution base, applies the pension and occupational-risk ceilings separately, and distinguishes monthly OBR remittance from quarterly INSS declaration and payment. It covers principal versus secondary employment, qualifying termination payments, payroll records and the published monthly tax form. The annual foreign-labor charge in both budgets is identified separately from employee deductions. Public-sector pensions, difficult-work contributions, national health-insurance eligibility, an alleged training levy and authenticated completion screens are not completed by this Guide. Accountant review is pending."
license: "AGPL-3.0-or-later (code) / OpenAccountants Guide License v1.0 (content)"
metadata:
  source: openaccountants
  openaccountants_url: "https://www.openaccountants.com/skills/bi-payroll-social"
  jurisdiction: "BI"
  tax_year: "2026"
  last_updated: "2026-11-01"
---

# Burundi: employment withholding and ordinary INSS for 2026 v1.2

> **General reference only.** This Guide is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for any specific person's facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in Burundi.

## Who this applies to

Use for an employer paying taxable employment remuneration and an ordinary civilian worker within the INSS regime. Identify principal versus secondary employment, casual work and genuine qualifying termination compensation before calculating. The ordinary contribution example does not cover police, military or other difficult-work rates, voluntary insurance or public-service schemes. [IR arts. 30–34 and 112–119](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf); [INSS calculation guidance](https://inss.gov.bi/calcul-des-cotisations/).

The actual [Law 1/05 of 30 April 2026](https://primature.gov.bi/wp-content/uploads/2026/05/loi_modification_code_protection_sociale.pdf) amends public-sector pension benefit calculations and prior pensions, with implementing orders/decrees; it is not a basis for replacing the ordinary private-sector contribution rates displayed by INSS. Pension benefits and the public-sector implementation are outside this payroll job.

## Rates, bands and thresholds

| Item and conditions | Rule / amount | Period | Official source |
|---|---|---|---|
| Principal employment: monthly taxable pay | 0% first BIF 150,000; 20% next BIF 150,000; 30% excess BIF 300,000 | 2026 | [Art. 117](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf) |
| Secondary employer | 30% of taxable monthly employment income, rather than principal-employer bands | 2026 | [Art. 118](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf) |
| Qualifying redundancy, loss of employment, end of career, retirement departure or contract termination compensation | 5% first BIF 10,000,000; 10% next BIF 20,000,000; 15% above BIF 30,000,000 | 2026 | [Art. 117](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf) |
| Ordinary INSS pension contributions | Employer 6%, employee 4%; monthly contribution earnings capped at BIF 450,000 | 2026 | [Assiette et taux des cotisations](https://inss.gov.bi/calcul-des-cotisations/) |
| INSS occupational risk | Employer only 3%; monthly contribution earnings capped at BIF 80,000 | 2026 | [Branche des risques professionnels](https://inss.gov.bi/calcul-des-cotisations/) |
| Annual foreign-labor employer charge | 4% of foreign workers’ annual gross salaries, due by 31 March; assess from contract visa date; additional to ordinary payroll | 2026 | [Art. 100](https://www.obr.bi/images/PDF/Loi%20de%20Finances%202025-2026%20Modifi%C3%A9e.pdf); [July art. 103](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf) |

## The base

For income withholding, total cash pay and taxable benefits, remove the art. 32 exclusions, and apply only art. 33 permitted deductions. Retained and actually paid employee pension/health contributions are deductible; a hypothetical contribution is not. Transport allowance deduction is capped at 15% of basic salary unless transport is provided in kind; rent allowance deduction is capped at 60% of basic salary. The separate qualifying complementary pension deduction has its 20% gross-employment limit. Do not apply those percentages to every item of gross pay. [IR arts. 30–34](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf); [Art. 147](https://www.obr.bi/images/PDF/Loi%20de%20Finances%202025-2026%20Modifi%C3%A9e.pdf); [Art. 155](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf).

INSS uses remuneration and benefits in cash, with its own exclusions, including family allowances and reimbursement of expenses; its base is not automatically taxable pay after income-tax allowances. Compute each month’s pension and risk bases with their own caps, then the employee and employer shares separately. INSS also requires the base not to be below the applicable legal minimum salary; no current minimum-wage number is supplied here. [INSS base and worked schedule](https://inss.gov.bi/calcul-des-cotisations/).

For casual employees income law art. 119 provides a special rate and protected lower band, with practical terms delegated to an order. Do not force a casual employee through the permanent-worker example without the implementing classification. Payroll annualisation and any employee’s other income must be reconciled under the income law, not by adding arbitrary allowances.

## Deadlines and filing

1. Keep employee identity/NIF where issued, contract, principal-employer status, dates, basic salary, allowances, actual contributions and INSS affiliation number. Produce a payslip showing gross components and tax withheld. Remit and declare employment withholding to OBR within the first fifteen days of the following month. Keep an individual annual recap and submit it within thirty days after year-end, with regularisation required by art. 115. A tax-exempt employer does not necessarily exempt its employees: art. 116 requires monthly self-declaration in that situation. [IR arts. 112–116](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf).
2. Use [monthly joint return section III](https://www.obr.bi/images/DECLARATION_TVA-_IRE-_PF_ET_AUTRES_RETENUES_A_LA_SOURCE-2021-VF-juillet-2022-vf-1.pdf): principal permanent employees on lines 1–4, casual employees on 5–7, secondary employees line 8, early-retirement/complementary-pension rows on lines 9–11, qualifying termination compensation lines 12–15, total line 16. Lines 9–11 are the historical form’s pension block, not a political/public-office category and not independent authority for current pension treatment. Record counts, taxable bases, statutory rates and tax in the displayed columns. IR art. 117 applies the principal progressive scale to political/public-office holders and end-of-mandate compensation beneficiaries; do not route them to pension lines 9–11. Confirm the current category-specific form placement with OBR before submission. [IR art. 117, PDF p. 39](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf). The old printed form is a field map, not authority to override the current law.
3. Use the category-specific OBR [portal link](https://www.obr.bi/index.php/teledeclaration-telepaiement), retaining return acknowledgment and separate quittance/bank payment proof. The exact current taxpayer submission/payment-reference screens and current annual recap download have not been verified.
4. INSS is quarterly for employers: complete the Déclaration des rémunérations et cotisations, Modèle VI, from the monthly capped employee calculations and payroll detail. Declaration and contribution payment are due within the first fifteen days of the month following the calendar quarter. The INSS Q3 2026 notice asks that payment identify employer, affiliation number and quarter, with the payment reference attached to the declaration. Keep the submitted schedule and bank/payment evidence. Voluntary members have a different monthly frequency. [INSS declaration/payment instructions](https://inss.gov.bi/declaration-et-versement-des-cotisations/); [Q3 2026 employer notice](https://inss.gov.bi/declaration-et-paiement-des-cotisations-du-3eme-trimestre-2026-a-linstitut-national-de-securite-sociale/).
5. For foreign employees separately assess the budgets' annual employer charge and keep contract visa, annual gross salary and payment evidence. Do not deduct this employer charge from an employee as an INSS contribution. [Art. 103](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf).

The budget's replacement employment definition requires notifying OBR of the absence of employment-tax payers three months before contract termination or activity cessation. Record the notice and seek OBR direction where that advance condition cannot be met; do not substitute the old post-cessation month. [Art. 147](https://www.obr.bi/images/PDF/Loi%20de%20Finances%202025-2026%20Modifi%C3%A9e.pdf); [Art. 155](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf).

## Penalties and interest

Use [tax overview: Penalties and interest](bi-tax-overview.md#penalties-and-interest) for the general declaration, payment, withholding-default and interest rules. Identify the actual offence and taxpayer class before applying them.

INSS separately states declaration-delay additions of 1.5% for each month or part, and a further 1.5% for contribution-payment delay. These are INSS rules, not the OBR income-tax penalty. [INSS delay rules](https://inss.gov.bi/declaration-et-versement-des-cotisations/).

## Cross-border points

Nonresident employment income is not automatically subject to the passive-income withholding rate. Residence/source and treaty questions go to [cross-border tax](bi-cross-border-tax.md). Employers of foreign labor must check both the ordinary payroll obligations and the separate annual budget charge above; no treaty/social-security exemption is presumed. [IR arts. 20–21](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf); [Art. 103](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf).

## Two worked examples that recompute

Assume an ordinary principal employee has BIF 500,000 cash gross pay, no allowances/exempt items and no health contribution. Pension employee BIF 18,000; employer pension BIF 27,000; employer risk BIF 2,400. With employee pension actually withheld and paid, taxable pay BIF 482,000, income tax BIF 84,600, cash net BIF 397,400 and employer cost BIF 529,400. This excludes any foreign-labor charge or unverified levy.

```oa-check
name: Ordinary monthly payroll with distinct caps
inputs:
  gross: 500000
steps:
  - employee_pension: min(gross,450000) * 0.04
  - employer_pension: min(gross,450000) * 0.06
  - risk: min(gross,80000) * 0.03
  - taxable: gross - employee_pension
  - income_tax: min(max(taxable-150000,0),150000)*0.20 + max(taxable-300000,0)*0.30
  - net: gross-employee_pension-income_tax
  - employer_cost: gross+employer_pension+risk
expected:
  employee_pension: 18000
  employer_pension: 27000
  risk: 2400
  income_tax: 84600
  net: 397400
  employer_cost: 529400
```

Assume BIF 200,000 monthly taxable pay after valid deductions. A principal employer computes BIF 10,000 under the bands; a secondary employer must withhold BIF 60,000. The BIF 50,000 difference is determined by the employee’s actual principal-employer status, not an option to select the lower result.

```oa-check
name: Principal versus secondary employment decision
inputs:
  taxable: 200000
steps:
  - principal: min(max(taxable-150000,0),150000)*0.20 + max(taxable-300000,0)*0.30
  - secondary: taxable*0.30
  - difference: secondary-principal
expected:
  principal: 10000
  secondary: 60000
  difference: 50000
```

## Ask the client first

- Which employer is principal, and is the worker permanent, casual or receiving a qualifying termination payment?
- What are cash salary, basic pay, benefits, transport/housing arrangements and actual pension/health payments?
- What INSS affiliation and ordinary/difficult/public-sector classification apply?
- Is the worker foreign, and what are the contract visa date and annual gross salary?
- Which months and quarter are being reported, and what filing and payment evidence exists?

## Sources

| Official source | What was actually read | Read date |
|---|---|---|
| [Law 1/14 of 24 December 2020](https://www.obr.bi/images/LOI_N1_14_DU_24_DECEMBRE_2020_PORTANT_MODIFICATION_DE_LA_LOI_N1_02_DU_24_JANVIER_2013_RELATIVE_AUX_IMPOTS_SUR_LES_REVENUS_1.pdf) | Read for Full operative income-tax law, PDF pp. 1–44; definitions and neighboring provisions read, rate tables visually checked. | 2026-11-01 |
| [Law 1/09 of 31 December 2025](https://www.obr.bi/images/PDF/Loi%20de%20Finances%202025-2026%20Modifi%C3%A9e.pdf) | Read for selected income/VAT/registration amendments at arts. 79–83, 95–100, 147–149, 180, 208, 213, 246 and commencement art. 252 (p. 249), with neighboring clauses. Other sector charges and allocation tables not substantively reviewed. | 2026-11-01 |
| [Law 1/10 of 30 June 2026](https://www.obr.bi/images/LOI_DE_FINANCES_2026-2027_PROMULGUEE_compressed.pdf) | Read for selected income/VAT/registration/procedure amendments at arts. 78–82, 95–104, 154–158, 190, 210–233, 246–271 and commencement art. 277 (p. 267), with neighboring clauses. Other sector charges and allocation tables not substantively reviewed. | 2026-11-01 |
| [Law 1/12 of 25 November 2020](https://www.obr.bi/images/LOI_RELATIVE_AUX_PROCEDURES_FISCALES_ET_NON_FISCALES_2020.pdf) | Read for Registration, records, declarations, collection and sanctions; PDF pp. 1–13, 18–42, with budget overrides checked. | 2026-11-01 |
| [Law 1/05 of 30 April 2026](https://primature.gov.bi/wp-content/uploads/2026/05/loi_modification_code_protection_sociale.pdf) | Read for All three pages read; public-sector pension benefit amendments and commencement, no private-sector rate substitution. | 2026-11-01 |
| [INSS contribution calculation](https://inss.gov.bi/calcul-des-cotisations/) | Read for Full ordinary base, caps, rates and worked example read; difficult-work category separated. | 2026-11-01 |
| [INSS declaration and payment](https://inss.gov.bi/declaration-et-versement-des-cotisations/) | Read for Full page: Modèle VI, quarterly timing, voluntary monthly timing and delay additions. | 2026-11-01 |
| [INSS Q3 2026 notice](https://inss.gov.bi/declaration-et-paiement-des-cotisations-du-3eme-trimestre-2026-a-linstitut-national-de-securite-sociale/) | Read for Article heading and actual attached Q3 2026 notice image read for payment-identification instructions. | 2026-11-01 |
| [OBR monthly joint return, July 2022](https://www.obr.bi/images/DECLARATION_TVA-_IRE-_PF_ET_AUTRES_RETENUES_A_LA_SOURCE-2021-VF-juillet-2022-vf-1.pdf) | Read for All 13 pages; VAT section I, IRE section III, source withholding section IV and payment acknowledgment. Historical form rates do not override enacted law. | 2026-11-01 |
| [OBR portal routing page](https://www.obr.bi/index.php/teledeclaration-telepaiement) | Read for Medium/large and small/micro portal links and linked manuals read; authenticated taxpayer screens not accessed. | 2026-11-01 |

Not yet confirmed: Health-insurance eligibility, current contribution bases/rates beyond the ordinary INSS branches, alleged universal employee health 3%, employer training 1% and claimed combined employer/employee percentages; difficult-work and public-service schemes; casual-worker implementing conditions; current minimum wage; current annual recap download (linked PDF returned 404), interest order and authenticated filing/payment-reference screens. Ordinary payroll examples exclude these unresolved items.

## Today's figures and who stands behind this skill

This file is an AI skill (tax rules your AI follows) from OpenAccountants, copied on 2026-11-01. Rates, thresholds and deadlines change. For the current version of this skill, its official sources and the named accountant (if any) who stands behind it, call `get_skill` with slug `bi-payroll-social` on the OpenAccountants connector (https://www.openaccountants.com/connect), or read https://www.openaccountants.com/skills/bi-payroll-social. If neither is available, confirm every figure against the official source pages cited above before relying on it.