Since its commencement in the public sector in 2017 and subsequent rollout to the private sector in 2021, the off-payroll working rules (IR35), have presented challenges for both businesses and contractors. Among these challenges was the issue of double taxation, which added complexity and financial burden to engagements. However, relief is in sight as new offset rules will take effect in April 2024 to address the ongoing issue of double taxation. While these rules are only a small adjustment to the existing legislation, they could have a notable financial effect in specific cases.
Understanding Off-Payroll Working
Off-payroll working, also known as IR35, is a set of rules established by HMRC to make sure that contractors pay similar amounts of Income Tax and National Insurance as regular employees. These rules apply when a contractor, consultant, or small business owner offers services to a client through their own middleman. The aim is to prevent contractors from acting like employees in disguise and to ensure that any payments for their services are taxed through PAYE, just like regular payroll transactions in a business.
Impact of Incorrect Determinations
Incorrect determinations of employment status can lead to significant consequences, including potential double taxation. Under existing legislation, HMRC has not been obliged to offset income tax and/or corporation tax already paid by the worker or their intermediary company when assessing the deemed employer’s tax liability. This means the deemed employer ends up bearing the full cost of the liability, leading to potential over-collection of tax.
Changes Coming in April 2024
Starting from April 6th, 2024, new rules will officially require HMRC to allow for a set-off. This means that if a client or agency makes an incorrect determination about whether a contractor falls inside or outside IR35, and HMRC believes there’s extra tax owed, any tax already paid by the contractor’s intermediary (like a personal services company) can be subtracted from the client’s or agency’s extra tax bill.
Simply put, this change aims to lessen the tax burden on the deemed employer and ensure that some of the responsibility is shared by the worker or their intermediary. While HMRC has usually been willing to do this as a sort of compromise, the new rules will make things clearer and more certain for everyone involved.
Impact of the Changes
While the changes may seem minor, they will have a ripple effect, particularly in terms of how off-payroll workers are engaged. The new rules aim to distribute tax liabilities more fairly, reducing costs for end users and potentially encouraging the engagement of personal services companies (PSCs) workers.
Ongoing Compliance Considerations
Despite the changes, businesses must remain vigilant in maintaining compliance with off-payroll working rules. This includes assessing employment status for contractors hired directly, ensuring appropriate due diligence for umbrella company arrangements, and applying Construction Industry Scheme (CIS) rules where applicable.
Avoiding Penalties
Non-compliance with IR35 obligations can lead to penalties and legal consequences for businesses. It’s crucial to review agreements with contractors, prepare Status Determination Statements (SDS), and establish a disagreement process. Utilising tools like the IR35 navigation tool can simplify compliance efforts and mitigate risks.
As we approach April 6th, 2024, businesses and contractors alike should prepare for the changes to IR35 regulations. While challenges may persist, the new rules offer a clearer path forward, ensuring fair treatment and reducing the risk of double taxation.
Please note that the information outlined in this article is not legal or financial advice. For more information regarding the IR35 changes from April, visit the HMRC website.

