SARS now rejects employer reconciliations that include employees without valid Income Tax Reference Numbers. Here is what that means for your payroll records and your next EMP501 submission.
A change to how SARS processes employer reconciliations has direct implications for any organisation that runs payroll in South Africa. From the 2026 employer filing season, SARS will reject an **EMP501 reconciliation** if it includes an employee who is required to be tax-registered but does not have a valid **Income Tax Reference Number (ITRN)** on record. The grace period that previously allowed submissions to proceed with a warning is over. This guide covers: - What the ITRN requirement means in practice - Which employees are affected - How to identify and close the gaps before the submission window - What the annual EMP501 timeline looks like in 2026 ## Why SARS Is Enforcing This Now SARS has been building toward this position for several years, progressively automating its compliance systems. The position was formalised in updated PAYE guidance released in January 2026: EMP501 submissions that include employees who should be registered but are not will not be accepted. A single missing or incorrect tax number can block the entire reconciliation and delay the issuing of IRP5 certificates to all employees. > One missing tax number can stop an entire payroll reconciliation. This is not a minor administrative gap — it is a submission blocker. The broader context is that SARS has expanded its enforcement capacity and is using data matching to identify inconsistencies earlier. Payroll records that were adequate two or three years ago may not pass the same scrutiny today. ## Which Employees Are Affected The requirement applies to employees who are **required to be registered for income tax** under South African law. In practical terms, this includes most permanent employees and many fixed-term and temporary workers. Employees earning below the tax threshold may be exempt from registration in some circumstances, but the safest approach is to verify the status of every employee rather than assume exemption. The categories that most often generate gaps are: - **New hires** who provided incomplete onboarding documentation - **Seasonal or temporary workers** who were never formally registered - **Long-standing employees** whose records were set up before ITRN validation was strictly enforced - **Learners on placement** who have not yet registered with SARS independently ## How to Identify the Gaps The simplest route is to audit your payroll system against the ITRN field for every active employee. Most payroll platforms flag missing or invalid reference numbers in a compliance or exception report. For employees where the number is missing, the options are: - **Employee self-registration** via the SARS website or SARS MobiApp — the employee does this directly and provides the number to you - **eFiling TRN Enquiry** — if you have the employee's ID number, you can enquire whether a tax number already exists - **e@syFile ITREG or BundleReg** — for bulk registration requests submitted by the employer via the SARS e@syFile platform - **SARS branch appointment** — for employees who cannot complete self-registration digitally Start this process as early as possible. SARS branch and call centre queues tend to lengthen as the April submission window approaches. ## The 2026 EMP501 Timeline The **Annual Employer Declaration** window for the 2026 reconciliation period (covering 1 March 2025 to 28 February 2026) opens on **1 April 2026** and closes on **31 May 2026**. Missing this window carries its own penalties, separate from the ITRN issue. The two risks compound: an organisation that enters the submission window with unresolved ITRNs cannot complete its reconciliation until those are cleared. Monthly EMP201 submissions — covering PAYE, UIF, and SDL — are due on the **seventh of each month** and are not directly blocked by ITRN gaps, but the annual reconciliation depends on all twelve monthly submissions reconciling correctly. Clean monthly records reduce the pressure at EMP501 time. ## Records, Penalties, and the Bigger Picture SARS has signalled that administrative penalties apply to incomplete or rejected submissions, and that even small amounts owed are being flagged through automated risk selection. For employers, this is less about dramatic enforcement actions and more about consistent, documented payroll hygiene: every employee registered, every submission on time, every reconciliation clean. The cost of sorting out five missing ITRNs in February is a fraction of the cost of a delayed submission, reissued IRP5s, and the administrative disruption that follows. ## How Atlan Supports Payroll Compliance Atlan handles payroll administration, monthly EMP201 submissions, UIF declarations, and annual EMP501 reconciliations for clients across the network. Where payroll records have gaps, we identify them and work through the registration process before the submission window opens. If your current payroll setup means ITRN compliance is uncertain ahead of the April filing season, we can help you get it sorted.