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UAE Corporate Tax: A Complete Guide to All the Timeline


The business landscape in the UAE is undergoing a significant transformation with the implementation of the Corporate Tax Law under the UAE Federal Decree-Law No. 47 of 2022. This landmark legislation introduces a structured timeline for businesses to adhere to, ensuring compliance with corporate tax obligations. In this comprehensive guide, we break down the crucial timelines for filing corporate tax returns and shed light on the consequences of missing these deadlines.

Financial Year 1 June 2023 to 31 May 2024

Period of Registration (1 January 2023 to 28 February 2025- 26 Months)

Businesses operating in the UAE during this financial year must initiate the registration process. This 26-month period allows ample time to complete the registration requirements, ensuring a smooth transition into the Corporate Tax regime.

Application of Corporate Tax Law(1 June 2023)

The Corporate Tax Law comes into effect, marking the commencement of the new tax regime.

First Tax Period (1 June 2023 to 31 May 2024)

Businesses will navigate their inaugural tax period, calculating their net income or profit for the first time under the Corporate Tax Law.

Return Filing Period (1 June 2024 to 28 February 2025)

The subsequent months are dedicated to compiling financial data and preparing for the filing of the first corporate tax return.

Return Filing Due Date for First Tax Period (28 February 2025)

Businesses must submit their tax returns for the first tax period by the end of February 2025 to meet the regulatory deadline.

Second Tax Period (1 June 2024 to 31 May 2025)

Following the completion of the first tax period, businesses seamlessly transition into the second tax period. During this period, engaging top Tax Consultants in the UAE is highly recommended. These professionals offer expert guidance, ensuring all documentation is in order and compliant with statutory regulations. This proactive approach minimizes the risk of missing deadlines and incurring fines and penalties.

Financial Year 1 January 2024 to 31 December 2024

Period of Registration (1 January 2023 to 30 September 2025 - 33 Months)

The longer registration period for this fiscal year allows businesses to plan effectively and register within the stipulated 33-month timeframe.

Application of Corporate Tax Law (1 June 2023)

The Corporate Tax Law remains in effect for the second consecutive year.

First Tax Period (1 January 2024 to 31 December 2024)

Businesses navigate their second tax period, applying insights gained from the previous year to enhance accuracy and efficiency.

Return Filing Period (1 January 2025 to 30 September 2025)

The window for filing returns for the second tax period opens, providing businesses with sufficient time to compile and submit accurate financial data.

Return Filing Due Date for First Tax Period (30 September 2025)

The deadline for submitting tax returns for the second tax period falls at the end of September 2025.

Second Tax Period (1 January 2025 to 31 December 2025)

The business cycle continues with the commencement of the third tax period. Throughout this period, businesses are encouraged to solidify accounting practices and maintain accurate records, leveraging the experience gained from the initial filing process to streamline subsequent tax filings.

Financial Year 1 April 2024 to 31 March 2025

Period of Registration (1 January 2023 to 31 December 2025 - 24 Months)

Businesses enter the third fiscal year under the Corporate Tax Law, with a 24-month window for registration.

Application of Corporate Tax Law (1 June 2023)

The Corporate Tax Law continues to be applicable, providing consistency and stability.

First Tax Period (1 April 2024 to 31 March 2025)

The third tax period commences, with businesses now well-versed in the requirements of the Corporate Tax regime.

Return Filing Period (1 April 2025 to 31 December 2025)

Businesses prepare for the submission of tax returns for the third tax period during this timeframe.

Return Filing Due Date for First Tax Period (31 December 2025)

The deadline for filing tax returns for the third tax period is set for the end of December 2025.

Second Tax Period (1 April 2025 to 31 March 2026)

The business cycle advances into the fourth tax period under the Corporate Tax Law. By this juncture, businesses should have a firm grasp of the tax filing process. However, staying informed about updates or changes in tax regulations is crucial to maintaining compliance with UAE tax laws.

Consequences of Missing Tax Return Deadlines

In the UAE, meeting tax filing deadlines is more than just a legal requirement; it’s essential for maintaining a stable business environment. Failing to comply with these deadlines can have severe repercussions, including:

Financial Penalties for Late Filings

Significant penalties are levied by UAE tax authorities for the tardy submission of tax returns. These penalties accrue daily until the return is filed, and depending on the duration of the delay, they can substantially impact a company’s financial stability.

Impact on Business Reputation

Failure to comply with tax return deadlines can lead to the forfeiture of good standing with tax authorities. This can have adverse effects on a company’s reputation and its capacity to conduct business effectively.

Legal Consequences of Non-Compliance

Non-compliance with tax regulations opens the door to legal actions, potentially resulting in the suspension or revocation of business licenses. This disruption can impede business operations and result in enduring consequences.

Impact of Late or Non-Compliance

Timely adherence to tax obligations is critical for preserving a company’s reputation in the market. Late or non-compliance can erode trust among stakeholders, including customers, partners, and investors.

Consequences of Missed Deadlines

Businesses failing to meet tax return deadlines may find themselves subjected to rigorous audits and scrutiny by tax authorities. This can divert valuable time and resources that could otherwise be allocated to business growth.

Financial Strain and Growth Limitations

The penalties and fines incurred due to delayed filings can impose substantial financial burdens on businesses. This can adversely affect cash flow, limiting the company’s ability to invest in expansion or manage day-to-day operations.


In conclusion, understanding and adhering to the UAE Corporate Tax timeline is not just a regulatory obligation; it is a strategic imperative for businesses seeking sustained success in this dynamic market. A proactive and informed approach to tax compliance will not only help businesses meet their regulatory obligations but also contribute to building a resilient and prosperous business landscape in the UAE.