March 31 is one of the most important dates on the Jamaican business calendar. For employers, it marks the close of the fiscal year — and the deadline for a cluster of payroll compliance obligations that, if missed, can trigger penalties, interest charges, and unwanted attention from the Tax Administration Jamaica (TAJ) and the National Housing Trust (NHT).
With 20 days left in the 2025/2026 fiscal year, now is the time to confirm your filings are in order — not April 2.
What's Actually Due on March 31?
Most employers conflate "end of year" with a single filing. In reality, there are three distinct obligations converging at March 31:
- The SO1 Annual Return — your employer's annual summary of PAYE deductions remitted to TAJ throughout the year
- The NHT Annual Return — a reconciliation of NHT contributions made for each employee
- NIS Contribution Reconciliation — ensuring all National Insurance Scheme payments are up to date and accurately reported
Each is governed by a separate agency with its own penalty regime. Missing one is bad. Missing all three is a compliance crisis.
The SO1 Annual Return: What It Is and Why It Matters
The SO1 is the monthly payroll return you submit to TAJ each time you run payroll. At fiscal year-end, TAJ requires a summary SO1 — an annual reconciliation confirming that what you deducted from employees throughout the year matches what you remitted.
This includes:
- Total PAYE deducted per employee
- Education Tax withheld (employee share: 2.25%; employer share: 3.5%)
- NIS contributions (employee: 3%; employer: 3%)
- NHT contributions (employee: 2%; employer: 3%)
The PAYE threshold for the 2025/2026 year is J$1,799,376 annually (J$149,948/month). Any income above that threshold is taxed at 25% up to J$6,000,000/year, and 30% on income above J$6,000,000. If your SO1 doesn't reflect these rates correctly, TAJ will notice.
SO1 Late Filing Penalty
TAJ imposes a penalty of J$10,000 per employee for late submission of the annual SO1 return. For a business with 10 employees, that's J$100,000 in penalties — before any interest on unpaid tax is calculated.
| Employees | SO1 Late Penalty |
|---|---|
| 5 employees | J$50,000 |
| 10 employees | J$100,000 |
| 25 employees | J$250,000 |
| 50 employees | J$500,000 |
These penalties are in addition to any outstanding tax liability. If you've been calculating PAYE incorrectly — using the wrong threshold, for instance — TAJ will assess the underpayment separately, with interest accruing from the date each monthly payment was due.
NHT Annual Return: A Separate Deadline, A Separate Penalty
The National Housing Trust operates independently of TAJ, and its annual return has its own teeth. The NHT requires employers to submit a reconciliation confirming that monthly NHT contributions — 2% from the employee and 3% from the employer — were remitted correctly for every employee throughout the year.
NHT Late Payment Penalty
The NHT imposes a 20% surcharge on any outstanding contributions not paid by the due date. This surcharge is applied to the total unpaid balance, not just the current month — meaning historical underpayments can create a compounding liability.
Additionally, employees whose NHT contributions are not up to date may be ineligible for NHT loans and benefits. This becomes an HR problem as well as a compliance one — expect employee complaints when a worker discovers they can't access their housing benefit because their employer was behind on remittances.
NIS Reconciliation: Don't Overlook the Basics
NIS contributions — 3% employee, 3% employer — must also be reconciled at year-end. The National Insurance Scheme cross-references employer submissions against employee records. Gaps trigger correction notices and, where underpayment is found, assessment letters with interest charges.
What a TAJ Audit Actually Looks Like
Many business owners picture a TAJ audit as an aggressive door-knock. In practice, most payroll audits begin quietly — with a letter requesting documentation for a specific tax period. By the time you receive that letter, TAJ has already compared your SO1 submissions to your monthly remittances and flagged a discrepancy.
During a payroll audit, TAJ will typically request:
- Payroll registers for the period under review (often 2–3 years back)
- Bank statements showing remittance payments
- Employee contracts and offer letters (to verify declared salaries)
- Evidence of statutory deductions (pay slips, payroll software reports)
Businesses running payroll on spreadsheets often struggle at this stage. If your records aren't clean, organized, and tied to specific employees and pay periods, the audit becomes a reconstruction exercise — expensive, time-consuming, and rarely resolved in your favour.
If You're Already Behind: How to Catch Up
- File immediately, even if you can't pay in full. TAJ and NHT distinguish between late filing and late payment. Filing late reduces the penalty exposure. Not filing at all compounds both.
- Prepare a correct reconciliation first. Before you submit, recalculate each employee's deductions using the right rates: PAYE at 25%/30% above the J$1,799,376 threshold (2025/26 fiscal year), NIS at 3%/3%, NHT at 2%/3%, Education Tax at 2.25%/3.5%.
- Request a payment plan from TAJ. TAJ has a formal instalment arrangement process. Approaching them proactively generally results in more favourable terms.
- Contact NHT separately. NHT does not share a payment arrangement process with TAJ. You'll need to approach them independently.
- Get your monthly filings current before year-end. The annual return can only reconcile what's been remitted monthly.
The Cost of Delay
| Scenario | Estimated Cost (10 employees) |
|---|---|
| File SO1 on time, correct | J$0 in penalties |
| File SO1 late (1 month) | J$100,000 in penalties |
| NHT late — 3 months arrears, J$500K owed | J$100,000 surcharge (20%) |
| TAJ audit — reconstruction required | Accountant fees + penalties + interest |
Before you file anything, confirm your deduction calculations are correct. The PAYE threshold for the 2025/26 fiscal year is J$1,799,376 per year (J$149,948/month) — not an outdated figure from a previous fiscal year, and not yet the J$1,902,360 figure that only applies from April 1, 2026.
Use our free payroll calculator to run a quick sanity check before you submit. It takes two minutes and could save you J$100,000 or more in avoidable penalties. And if the real lesson from this year's deadline pressure is that your payroll process needs an upgrade, PayrollJamaica handles all statutory calculations automatically — so March 31 next year is a non-event.