Simplification or shift? A critical look at the revised EU rules on social security coordination
Across Europe, one fundamental principle applies: only one Member State can be competent for social security purposes. Regulation 883/2004 contains the conflict rules used to determine which Member State is competent in a cross-border situation.
The principle itself appears straightforward. Unfortunately, the conflict rules are not. In practice, this has a direct impact on both employees and employers, as an incorrect affiliation not only creates additional administrative burdens but can also affect entitlement to benefits, pension accrual and social protection.
This is precisely why European coordination through Regulation 883/2004 is so important. Whenever these rules change, the impact extends beyond administration alone and directly affects entitlement to benefits and social security coverage.
And that is exactly what is currently on the table: a provisional agreement among the EU Member States on a revision of the conflict rules contained in Regulation 883/2004. The message conveyed by the new proposal and various media reports sounds appealing: less administration, greater flexibility and a simplification of the applicable rules. After years of negotiations, the reform of Regulation 883/2004 is presented as a long-awaited step forward.
However, simplification on paper does not always translate into simplification in practice.
New Ways of Working Do Not Always Fit Within the Existing Conflict Rules
Anyone active internationally today knows that reality has changed fundamentally since the negotiations began in 2016. Traditional posting is no longer the norm. Employees increasingly combine activities in multiple countries, change workplaces more frequently and move more flexibly between different employment statuses.
And this is precisely where the reform falls short. The rules governing work in two or more Member States remain largely unchanged. At the same time, the traditional posting rules become stricter. In many cases, obtaining an A1 certificate retroactively will become more difficult.
What appears theoretically logical — namely, ensuring compliance from day one — often clashes in practice with a reality that is by definition dynamic and difficult to predict. The significant backlog at social security authorities in several Member States certainly does not help.
We can already see how businesses are responding. When flexibility disappears, behaviour shifts. Structures are adjusted, activities are organised differently, and companies look for ways to remain operational within the existing framework. This is not abuse; it is a logical consequence of legislation that does not sufficiently reflect reality.
When Regulation Shapes Behaviour
The same applies to the proposed changes regarding unemployment benefits. Whereas responsibility often lies today with the country of residence, in certain cases that responsibility will shift to the country of employment. Over time, this may influence the behaviour of both Member States and employers. Social security therefore becomes not only a matter of protection, but also one of financing and strategic positioning.
At the same time, the proposed amendments fail to address several crucial interpretative questions. Consider the application of the 5% rule in hybrid situations involving both employed and self-employed activities. Different interpretations already create uncertainty today. The reform proposal provides no additional clarity and, in doing so, misses an opportunity to resolve an existing source of legal uncertainty.
Companies operating internationally will need to invest even more in insight, governance and timely decision-making. Not because the rules are becoming more complex, but because mistakes will be far less easy to correct.
And perhaps that is the true essence of this reform: not fewer rules, but less room for error.