How to Verify Your PAYE Calculations Before March 31

March 31 is 15 days away. When you file your SO1 annual return with TAJ, every PAYE figure on it needs to be correct. If your monthly deductions were off — even slightly — the cumulative error over 12 months becomes a problem TAJ will eventually find.

This guide walks you through how to verify your PAYE calculations employee by employee, catch the most common errors, and fix them before the deadline.

Why Manual Verification Still Matters

Even if you use payroll software, a manual spot-check is worth the time. Here is why:

• Data entry errors compound. A wrong salary figure entered in April has been generating incorrect PAYE for 11 months.
• Mid-year changes get missed. Salary increases, new allowances, or changes in taxable benefits may not have been captured correctly.
• TAJ cross-references your data. The SO1 you file must match what employees report. Discrepancies trigger audits.
• Penalties are real. Underpayment of PAYE attracts interest and penalties from TAJ. Overpayment means your employees overpaid tax and you owe them a reconciliation.

Spending two hours verifying now saves weeks of back-and-forth with TAJ later.

Step 1: Gather Your Source Documents

Before you start checking numbers, collect:

1. Payslips or payroll register for every pay period from April 2025 to March 2026
2. Employment contracts showing base salary, allowances, and any taxable benefits
3. Records of mid-year changes — promotions, salary adjustments, new hires, terminations
4. Monthly S02 remittance receipts from TAJ (what you actually paid each month)
5. Previous year's SO1 for reference

If you cannot locate any of these, that is your first red flag. Incomplete records lead to incomplete verification.

Step 2: Confirm the Correct PAYE Thresholds

For the 2025/26 tax year, the PAYE thresholds are:

| Parameter | Annual | Monthly | |---|---|---| | Tax-free threshold | J$1,799,376 | J$149,948 | | Standard rate (25%) | On income from J$1,799,377 to J$6,000,000 | On income from J$149,949 to J$500,000 | | Higher rate (30%) | On income above J$6,000,000 | On income above J$500,000 |

The most common error here is using the old threshold. If your payroll system was not updated at the start of the tax year, every single PAYE calculation will be wrong.

Quick check: Look at any employee earning exactly J$149,948 per month. Their PAYE deduction should be J$0. If it is not, your threshold is wrong.

Step 3: Recalculate PAYE for a Sample Employee

Pick an employee with a straightforward salary — no overtime, no variable bonuses. Walk through the math manually.

Worked Example: Employee Earning J$200,000/Month

Monthly gross salary: J$200,000

Step 3a — Calculate statutory deductions (these are pre-tax):

| Deduction | Rate | Amount | |---|---|---| | NIS (employee share) | 3% (capped at J$5M/year) | J$6,000 | | NHT (employee share) | 2% | J$4,000 | | Education Tax (employee share) | 2.25% | J$4,500 | | Total statutory deductions | | J$14,500 |

Step 3b — Calculate taxable income:

Gross salary: J$200,000 Less statutory deductions: J$14,500 Assessable income: J$185,500

Step 3c — Apply PAYE:

Assessable income: J$185,500 Less monthly threshold: J$149,948 Taxable income: J$35,552

Since J$185,500 is below J$500,000, the standard rate applies:

PAYE = J$35,552 × 25% = J$8,888

Step 3d — Compare to payslip:

Pull this employee's payslip for any month where their salary was J$200,000. The PAYE deduction should be J$8,888. If it is different, investigate why.

Step 4: Check Higher-Income Employees

Employees earning above J$500,000 per month require the two-tier calculation. These are the most error-prone.

Worked Example: Employee Earning J$700,000/Month

Statutory deductions:

| Deduction | Rate | Amount | |---|---|---| | NIS (employee share) | 3% (capped) | J$12,500* | | NHT (employee share) | 2% | J$14,000 | | Education Tax (employee share) | 2.25% | J$15,750 | | Total statutory deductions | | J$42,250 |

*NIS is capped at J$5,000,000/year, which is approximately J$416,667/month. At J$700,000/month, the annual salary of J$8,400,000 exceeds the cap, so the monthly NIS contribution is J$5,000,000 × 3% ÷ 12 = J$12,500.

Assessable income: J$700,000 − J$42,250 = J$657,750

PAYE calculation (two tiers):

• First J$350,052 above threshold (J$149,948 to J$500,000) at 25% = J$87,513
• Remaining J$157,750 (J$500,000 to J$657,750) at 30% = J$47,325
• Total PAYE = J$134,838

If your payroll shows a different figure, something is wrong.

Step 5: Reconcile Monthly Totals Against S02 Remittances

Add up all PAYE deducted from all employees for each month. This total should match what you remitted to TAJ on each S02.

Create a simple reconciliation table:

| Month | Total PAYE Deducted | S02 Amount Paid | Difference | |---|---|---|---| | April 2025 | | | | | May 2025 | | | | | ... | | | | | March 2026 | | | | | Full Year | | | |

Any difference needs explanation. Common causes:

• Timing differences — deducted in one month, paid in the next
• Rounding — small differences across many employees can accumulate
• Missed employees — someone was left off the S02
• Data entry errors — wrong amount on the S02 payment

Step 6: Verify Year-to-Date Totals Match SO1

Your SO1 annual return reports each employee's total emoluments and total PAYE for the year. Before filing:

1. Sum each employee's 12 monthly PAYE deductions
2. Compare to the year-to-date PAYE figure on their last payslip
3. Compare to what you plan to report on the SO1

All three numbers must match.

Step 7: Handle Special Cases

Review these situations specifically, as they are where errors hide:

• Mid-year hires: PAYE should be calculated only from their start date, but the annual threshold applies proportionally.
• Terminations: Final pay often includes vacation pay, notice pay, or severance. Some of these are taxable; some are not. Double-check.
• Bonuses and commissions: These must be included in assessable income for the month they were paid.
• Benefits in kind: Motor vehicle, housing, or other taxable benefits must be grossed up and included.
• Multiple pay frequencies: If you switched from monthly to bi-weekly mid-year, confirm the threshold was applied correctly for each period.

What to Do If You Find Errors

If your verification reveals discrepancies:

1. Recalculate the correct PAYE for the affected months
2. Determine if you under-remitted or over-remitted to TAJ
3. Under-remittance: Pay the difference to TAJ immediately with an amended S02. The sooner you pay, the less interest accrues.
4. Over-remittance: Report the correct (lower) figure on the SO1. The overpayment can be applied to future periods or refunded.
5. Correct the employee's records so their tax credit certificate (P45 equivalent) is accurate.

Skip the Manual Work

This entire verification process — threshold application, two-tier PAYE, NIS caps, statutory deductions, year-end reconciliation — is exactly what PayrollJamaica automates.

Our payroll calculator applies the correct 2025/26 rates automatically, handles the NIS ceiling, and generates SO1-ready reports. No spreadsheets. No manual cross-checking.

If you are spending hours on the verification process described above, that is time you could eliminate entirely. See our pricing — plans start at a fraction of what a payroll error costs in penalties.

15 days to March 31. Verify your numbers now, or let PayrollJamaica do it for you.