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New developments in the Working Hours Register

New developments in the Working Hours Register

by Arintass | Mar 3, 2025 | Payroll Management

Teleworking, the growth of remote time recording systems and the trend towards more flexible working hours have pushed the evolution of working time regulations in recent years.

Rectifying self-assessments: Changes in Forms 303, 100 and 200

Rectifying self-assessments: Changes in Forms 303, 100 and 200

by Arintass | Feb 17, 2025 | Tax Compliance

The Spanish Tax Agency has recently introduced important changes in the regulation of rectifying self-assessments, with special incidence in the VAT form 303, as well as in forms 100 and 200.

Form 145: What is it, how does it affect Personal Income Tax and when to file it?

Form 145: What is it, how does it affect Personal Income Tax and when to file it?

by Arintass | Feb 10, 2025 | Payroll Management

It adjusts personal income tax withholdings considering aspects such as marital status, number of children or a disability, to ensure an accurate tax calculation and avoid over- or underpayments.

Labour obligations of companies in Spain

Labour obligations of companies in Spain

by Arintass | Feb 3, 2025 | Payroll Management

The most relevant labour obligations to be fulfilled by companies are highlighted: time recording, wage recording, equality plans and the implementation of a complaints channel.

New tax obligations for cryptocurrencies in Spain

New tax obligations for cryptocurrencies in Spain

by Arintass | Jan 20, 2025 | Tax Compliance

Among these measures, three new information tax forms have been introduced: Forms 172, 173 and 721, specifically designed to monitor cryptocurrency transactions and balances.

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Latest Publications

Does a logistics warehouse in Spain constitute a permanent establishment for VAT purposes?

Types of leave of absence in Spain

Paid and unpaid leave in Spain: differences and when to use each one

Solidarity Contribution in 2026: what it is and how it affects payroll

Directive (EU) 2023/970: new pay transparency obligations

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