Spanish Tax Year Deadlines and Key Dates
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Spanish Tax Year Deadlines and Key Dates

Tax year in Spain: filing, deadlines, when to submit

Navigating the Spanish tax year can be a complex endeavor for both individuals and corporations establishing or operating a business in Spain. Understanding the intricate web of deadlines and dates is crucial for compliance and financial planning. This guide aims to provide an in-depth look at the key milestones in the Spanish tax calendar, assisting businesses in staying abreast of their fiscal obligations. By delving into the specifics of Spain’s tax year deadlines, we offer valuable insights to ensure that your fiscal duties are met timely and accurately, avoiding penalties and maximizing potential benefits within the Spanish tax system. Whether you’re a seasoned entrepreneur or new to the Spanish market, this article will serve as a comprehensive resource for managing your tax responsibilities effectively.

Accountant calculating tax obligations to meet Spain tax year deadlines, with focus on calculator and financial documents

Understanding the Spanish Tax Year

For individuals residing in Spain, the tax year aligns with the calendar year, commencing on January 1st and concluding on December 31st.

During this period, Spanish tax residents are obligated to file their tax declaration, known as Modelo 100, between April 6th and June 30th of the subsequent year. This fixed timeline is crucial for individuals to manage their tax affairs and adhere to the regulations set forth by the Spanish tax administration.

On the corporate front, companies operating in Spain typically follow the same calendar year for Spain Corporate Income Tax (CIT) purposes. However, there is a provision for companies to adopt a different fiscal year if it aligns better with their business operations, subject to approval from the tax authorities. This flexibility allows corporations to synchronize their tax reporting with their unique financial cycles.

It’s important to note that the fiscal year for a company must not exceed 12 months, and certain events such as incorporation, a change in the accounting year, or dissolution can result in a shorter fiscal period.

The rigid structure of the Spanish tax calendar underscores the importance of diligent planning and timely action. Errors or oversights can lead to penalties, making it essential for both individuals and corporations to stay informed and seek professional assistance when necessary.

This article serves as a roadmap to the critical deadlines within the Spanish tax system, helping you maintain compliance and avoid any potential fines associated with late filings.

Starting your fiscal year in Spain? Navigating the complex tax landscape can be daunting. Contact us for expert tax consultancy tailored to your unique needs.

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Tax Return in Spain: Key Deadlines

WhoDeadlineTax Filing
ResidentsJune 30th 2024Resident annual tax declarations (for the year 2023)
Non-residentsDecember 31th 2024Non-resident annual tax declarations (for the year 2023)
Companies (non-resident)January 31th 2024Corporate tax (for the year 2023)
LandlordsApril 20th 2024July 20th 2024October 20th 2024January 20th 2024Tax on rental income (payable in four instalments for the previous three months)

For individuals in Spain, the tax year is synchronous with the calendar year, which necessitates that residents file their annual income tax return, or Personal Income Tax (IRPF), between April 6th and June 30th of the following year

It’s imperative for residents to verify if their autonomous community has set any variations to these deadlines. Non-residents, including those who own property, have until December 31st to file their returns, while landlords must pay tax on rental income quarterly, with deadlines on January 20th, April 20th, July 20th, and October 20th. Moreover, residents with substantial assets are subject to Wealth Tax declarations, which typically follow the same submission period as income tax.

For corporations in Spain, the Corporate Income Tax (Impuesto sobre Sociedades) return must be filed within 25 calendar days after the six-month mark post the tax period’s end. For example, if a company’s fiscal year aligns with the calendar year, they must file their CIT return between July 1st and July 25th of the subsequent year. Companies operating on a different fiscal schedule should adjust accordingly and stay vigilant about these special considerations.

In addition to Corporate Income Tax, companies are also responsible for Value Added Tax (IVA) submissions, which occur quarterly and annually. Other significant corporate tax obligations include withholding taxes and payments on account, which demand close attention to various filing deadlines throughout the fiscal year.

Adherence to these deadlines is crucial as Spain operates under a self-assessment system where tax returns are subject to inspection by authorities. Missing these critical dates can result in penalties and fines, underscoring the importance of timely compliance with Spanish tax laws. Whether you’re an individual taxpayer or a corporation, staying informed and proactive about accounting in Spain and your tax obligations is key to avoiding unnecessary financial burdens.

Payment of tax in Spain

For individuals in Spain, the process of tax payment is typically executed upon the filing of the Personal Income Tax (PIT) return.

Residents whose gross employment income exceeds EUR 22,000 annually are required to file a tax return, with a lower threshold of EUR 15,000 for those receiving income from more than one payer, where the amount from the second and subsequent payers exceeds EUR 1,500. 

Other forms of personal income also necessitate a tax return if they surpass specified legal amounts. While individual taxation is standard for PIT, family units have the option to be taxed jointly, with the composition of these units determined by their status as of December 31st each year. It is important to note that non-residents are taxed individually and do not have the option for joint taxation.

Corporations in Spain are obliged to make advance payments on account of their annual Corporate Income Tax (CIT) liability. These payments must be made during the first 20 calendar days of April, October, and December. The final CIT payment coincides with the submission of the annual CIT return.

For companies with a turnover exceeding EUR 6,010,121.04 as per Spanish VAT law in the preceding 12 months, advance payments are calculated by applying a rate of 17% to the taxable income at the end of each advance-payment period (March 31st, September 30th, and November 30th). Entities with a turnover of at least EUR 10 million face a higher rate of 24% and are also subject to a minimum advance payment of 23% based on the profits reported in their income statements for each respective period.

Companies should also be aware of the IAE tax in Spain.

Adherence to these payment requirements is critical for maintaining compliance with Spanish tax regulations. Both individuals and corporations must stay vigilant in meeting these obligations to avoid penalties associated with underpayment or late payment of taxes. Accurate calculation based on the previous year’s tax return is essential for corporations making advance payments, ensuring that they contribute their fair share in accordance with their financial performance.

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Tax Inspections

The Spanish tax authorities maintain a vigilant tax inspection department tasked with ensuring the accuracy and compliance of taxpayers’ obligations. This department plays a critical role in maintaining the integrity of the tax system by conducting thorough reviews and, where discrepancies are found, issuing tax assessments to rectify any inconsistencies in a taxpayer’s declared obligations.

These inspections delve into various aspects of a taxpayer’s affairs, examining whether all relevant facts have been disclosed and assessing the veracity of tax returns submitted. Tax returns may be selected for scrutiny based on several criteria, such as random selection, discrepancies in reported income or capital gains when compared with other taxpayers, substantial fluctuations in declared wealth over consecutive years, or visible indicators of affluence like the acquisition of high-value assets including residential properties, luxury vehicles, financial investments, or yachts.

In instances where taxpayers find themselves at odds with the findings of the tax inspection department, they have the right to challenge the assessment. The initial recourse is to file an appeal with the economic-administrative tribunal. Should this appeal be unsuccessful, taxpayers can then seek redress through the ordinary courts.

Furthermore, if it is determined that a taxpayer has overpaid due to an incorrect assessment, they are entitled to request a refund for the excess amount paid. This claim must be lodged within a four-year statute of limitations period through a specific procedure that begins with submitting a formal request to the tax authorities. The thoroughness of these inspections and the mechanisms for recourse underscore Spain’s commitment to fair and accurate tax enforcement while providing taxpayers with avenues to rectify or contest decisions made by the tax inspection department.

Close-up of a calculator and pen on a financial chart highlighting 'TAX' emphasizing Spain tax year deadlines.

Statute of Limitations

The concept of a statute of limitations is pivotal within the Spanish tax system, serving as a temporal boundary for the tax authorities’ actions and the taxpayers’ obligations. For both individuals and companies, this period is generally set at four years, commencing the day after the voluntary tax filing period concludes. During this time frame, the tax authorities retain the right to audit, assess, and collect taxes.

This four-year statute can be reset under specific circumstances. For instance, if the tax authorities engage in any formal activities recognized by the taxpayer—such as acknowledging, adjusting, inspecting, or collecting tax obligations—or if the taxpayer takes actions that modify their tax situation. These actions may include submitting new or amended tax returns or filing appeals or claims related to their taxes.

For companies, there’s an additional ten-year limitation period specifically for reviewing tax-loss carryforwards, certain tax reliefs, and deductions intended to prevent double taxation. Once this decade-long period lapses, companies must substantiate the origin and amount of these carryforwards by presenting appropriate tax assessments or self-assessments and accounting records. Moreover, they must demonstrate that these documents were duly filed and deposited with the Companies Registry within this designated timeframe.

Understanding these time constraints is crucial for taxpayers to ensure compliance with Spanish tax laws and to safeguard against any potential challenges or claims after these periods have ended.

Special Tax Regimes and Deductions

Spain offers various special tax regimes that can influence filing deadlines and fiscal obligations. Notably, the Beckham Law provides an advantageous tax scheme for expatriates, allowing them to pay taxes as non-residents under certain conditions, potentially affecting their tax submission dates.

For both individuals and corporations, Spain’s tax system includes a range of deductions and credits designed to reduce the overall tax burden. Individuals may benefit from deductions for investments in primary residences, pension contributions, and large family status, among others. Similarly, corporations can take advantage of deductions for research and development activities, job creation, and environmental investments.

The timing for claiming these deductions and credits is critical. Taxpayers must be diligent in understanding the specific requirements and deadlines for each deduction or credit to ensure they are utilized effectively. Missing these deadlines could mean forfeiting the opportunity to reduce tax liabilities for the given year.

Planning and Compliance Tips

Maintaining compliance with Spanish tax laws requires careful planning and a proactive approach. One of the most effective ways to ensure adherence to tax regulations is by utilizing the digital platforms provided by the Agencia Tributaria, Spain’s Tax Agency. These online tools are designed to facilitate the submission of tax returns, payment of taxes, and communication with tax authorities, making it easier for taxpayers to manage their obligations efficiently and accurately.

It is advisable for taxpayers, especially those dealing with complex scenarios or international business activities, to consult with a tax professional. Experienced advisors can provide tailored guidance on navigating Spain’s tax system, help identify applicable deductions and credits, and ensure that all filings are completed in accordance with the latest legal requirements.

By staying informed of changes in tax legislation, keeping accurate records throughout the year, and leveraging expert advice, businesses and individuals can minimize the risk of non-compliance and optimize their fiscal strategy within the Spanish tax framework.


In summary, understanding and adhering to the Spanish tax year deadlines is essential for both individuals and corporations operating within Spain. The tax year typically aligns with the calendar year, running from January 1st to December 31st, although companies have the flexibility to set their own fiscal year if approved by tax authorities. Key deadlines for tax returns and payments are critical dates to mark on every taxpayer’s calendar, and staying vigilant of these is vital to avoid penalties.

Moreover, the complexities of the Spanish tax system, with its inspections and varying statute of limitations, necessitate a strategic approach to tax planning and compliance. Special tax regimes and deductions offer opportunities for tax savings but require a thorough understanding to be utilized effectively.

Utilizing digital platforms provided by the Agencia Tributaria can streamline the compliance process, while consulting with tax professionals ensures that businesses can navigate more complex tax scenarios effectively. By keeping these points in mind and acting diligently, taxpayers can successfully fulfill their fiscal responsibilities in Spain.

Ensure compliance and optimize your tax benefits with professional guidance. Don’t miss crucial deadlines; contact us today to get the best international tax advice.

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