{"id":19522,"date":"2025-12-08T15:53:51","date_gmt":"2025-12-08T14:53:51","guid":{"rendered":"https:\/\/pre.althea-groupe.com\/news\/the-ugdr-understanding-the-unified-general-degressive-reduction-2026-reform"},"modified":"2026-06-24T09:00:14","modified_gmt":"2026-06-24T07:00:14","slug":"the-ugdr-understanding-the-unified-general-degressive-reduction-2026-reform","status":"publish","type":"post","link":"https:\/\/preprod.althea-groupe.com\/en\/news\/the-ugdr-understanding-the-unified-general-degressive-reduction-2026-reform\/","title":{"rendered":"The UGDR: Understanding the Unified General Degressive Reduction (2026 Reform)"},"content":{"rendered":"\n<p class=\"has-text-align-right\"><strong>Author<\/strong>: Guillaume Benezit, Engagement Manager<\/p>\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p>The Unified General Degressive Reduction (UGDR) represents one of the major reforms in the social landscape for 2026. It marks the end of the so-called &#8220;Fillon&#8221; reduction (General Reduction of Employer Contributions &#8211; RGCP) in favor of a unified, degressive, and expanded mechanism, aiming to simplify relief measures while redefining their distribution according to remuneration levels. <\/p>\n\n<p>Coming into effect on January 1, 2026, the UGDR aims to modernize and streamline employer contribution relief schemes by integrating a more coherent, parameterized, and equitable approach.<br\/>The reform addresses a dual logic:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Technical harmonisation of the calculation rules, by merging several heterogeneous schemes (sickness, family allowances, unemployment, supplementary pension, etc.) under a single formula.<\/li>\n\n\n\n<li>Economic rebalancing of employment support, by prioritising low and mid-level wages, while extending tapering up to 3\u00d7 SMIC to support wage transitions.<\/li>\n<\/ul>\n\n<p>This change, set out in Decree No. 2025-887 of 4 September 2025, is based on a harmonised mathematical formula incorporating three key parameters:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>a minimum rate (Tmin);<\/li>\n\n\n\n<li>a tapering differential (Tdelta);<\/li>\n\n\n\n<li>and an exponent (P = 1.75) that models the slope of the reduction based on the ratio between the SMIC and the gross annual remuneration.<\/li>\n<\/ul>\n\n<p>In practical terms, implementing the RGDU requires companies to completely overhaul payroll settings, relearn the calculation rules, and reassess the financial balances relating to the payroll bill.<\/p>\n\n<p><br\/>The impact is measured both:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>operationally, through the need to adapt payroll software, strengthen controls, and document the calculation bases for URSSAF audits.<\/li>\n\n\n\n<li>budget-wise, through changes to the profile of reductions depending on the pay structure and workforce typology.<\/li>\n<\/ul>\n\n<p>This reform is therefore not limited to a change in formula: it constitutes an internal transformation project affecting compliance, payroll bill management and social risk management.<br\/>Its success depends on early, structured and collaborative implementation, involving payroll, HRIS, management control and the finance department, in order to ensure regulatory compliance and control financial impacts as early as the January 2026 payroll.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>1. General principles and entry into force<\/strong><\/h2>\n\n<ul class=\"wp-block-list\">\n<li>The RGDU becomes the sole component of the general reductions in employer social security contributions and applies from 1 January 2026. The decree also sets out governance (via a monitoring committee placed under the aegis of the Ministries of Labour, the Economy and Public Accounts). <\/li>\n\n\n\n<li>The government\u2019s objective is to refocus and harmonise the reductions, limit <em>\u201clow-wage traps<\/em>\u201d while compensating for the removal or reduction of certain historic reduced rates (health insurance, family allowances).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>2. Calculation formula \u2014 detailed mechanics<\/strong><\/h2>\n\n<p>The decree specifies that the coefficient C applicable to a given gross annual remuneration is calculated as follows:<\/p>\n\n<p>Coefficient = Tmin + (Tdelta \u00d7 [ (1\/2) \u00d7 (3 \u00d7 annual_SMIC \/ gross_annual_remuneration &#8211; 1) ]^P)<\/p>\n\n<ul class=\"wp-block-list\">\n<li>P = 1.75 (exponent that amplifies tapering).<\/li>\n\n\n\n<li>Annual SMIC = the gross annual amount of the SMIC (defined in the decree in accordance with the Labour Code, with adjustments provided for part-time\/reduced hours).<\/li>\n\n\n\n<li>Tmin and Tdelta are parameters set according to the contributions concerned (the decree provides a table by contribution groups). For most contributions under the General Scheme (health, family allowances, supplementary pension, unemployment insurance, etc.), a set of reference values is provided (e.g., Tmin = 0.0200 and Tdelta \u2248 0.2636 \/ 0.2676 depending on the applicable table). The result is rounded to 4 decimal places.  <\/li>\n<\/ul>\n\n<p>Practical implementation notes<\/p>\n\n<ul class=\"wp-block-list\">\n<li>The gross annual remuneration used as the base includes the items defined by the decree (basic pay, bonuses and allowances where applicable, amounts prorated to time in post). The decree also provides adjustment rules for overtime or employees on annualised working-time arrangements. <\/li>\n\n\n\n<li>The coefficient therefore depends heavily on the SMIC\/remuneration ratio: the reduction is maximal around the SMIC, then decreases until it becomes zero for remuneration equal to or above 3 \u00d7 annual SMIC (exit threshold).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>3. Key differences from the previous RGCP (Fillon reduction)<\/strong><\/h2>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Extended eligibility ceiling\n<ul class=\"wp-block-list\">\n<li>RGCP (Fillon): the reduction was significant up to a lower multiple of the SMIC (historically \u2248 1.6\u00d7 SMIC under recent parameters); the RGDU extends the scope up to 3\u00d7 SMIC (exit point). This changes the application range and the tapering. <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Modified Formula and Parameterization\n<ul class=\"wp-block-list\">\n<li>The UGDR introduces a power P = 1.75 in the decreasing curve and explicitly dissociates Tmin and Tdelta by contribution family (different tables). The RGCP used a simpler formula and different parameters. The behavior in the intermediate zone (between SMIC and the ceiling) is therefore different (more accentuated or smoother depending on remuneration) &#8211; which changes the advantage for salaries close to the SMIC vs. intermediate salaries.  <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Regrouping \/ Unification\n<ul class=\"wp-block-list\">\n<li>The UGDR unifies several schemes and takes into account the abolition\/adjustment of reduced rates (e.g., sickness\/family allowances), which means that the employer&#8217;s &#8220;<em>gain<\/em>&#8221; is not strictly identical to the old Fillon savings: the logic is to partially compensate and apply a single rule per employee.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>Parameters Segmented by Contribution\n<ul class=\"wp-block-list\">\n<li>The decree distributes Tmin\/Tdelta according to contribution categories (e.g., old age, sickness, unemployment, family allowances, etc.). In practice, this implies a more precise calculation and differentiated treatments for each contribution base. <\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\"><strong>4. Impacts for Payroll Departments \u2014 Vigilance Points and Recommended Controls<\/strong><\/h2>\n\n<p>The implementation of the UGDR has significant operational consequences, particularly in terms of adapting the controls carried out by payroll stakeholders. <\/p>\n\n<p>A. HRIS Adaptation \/ Software Parameterization<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Update calculators: integrate the new formula (exponent P, Tmin\/Tdelta by contribution type, rounded to 4 decimal places). Validate the management of annual remuneration and pro-rata (part-time, entries\/exits). <\/li>\n\n\n\n<li>Parameters by table: the software must apply the correct Tmin\/Tdelta according to the nature of the contributions (decree table).<\/li>\n\n\n\n<li>Unit tests: SMIC, 1.2 SMIC, 2 SMIC, 3 SMIC scenarios, salaries impacted by exceptional bonuses \u2013 to be compared with old Fillon calculations vs. UGDR.<\/li>\n<\/ul>\n\n<p>B. Review of Payroll Rules and Deductions<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Bonus processing rules: one-off bonuses can modify annual remuneration and thus the coefficient. It is therefore necessary to plan for recovery\/rectification rules (staggered allocations, year-end adjustment). <\/li>\n\n\n\n<li>Anomaly controls: it is necessary to detect periods where the reduction becomes negative (parameterization error), or ceiling overruns.<\/li>\n<\/ul>\n\n<p>C. Controls and Audit Trail<\/p>\n\n<p>These are naturally not exhaustive and are only a few avenues, which will need to be adapted to the company&#8217;s specific situation:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Monthly reconciliation statements: display of the coefficient applied per employee and the amount of reduction (historical).<\/li>\n\n\n\n<li>Workforce control and comparisons: monthly comparative table vs. year N-1 (budget impact), broken down by remuneration bracket.<\/li>\n\n\n\n<li>Supporting documents: retention of calculation elements (SMIC retained, annual remuneration taken into account, rounding) for URSSAF control. The decree provides precise rules on an annual basis and requires maintaining traceability. <\/li>\n<\/ul>\n\n<p>D. Training and Documentation<\/p>\n\n<ul class=\"wp-block-list\">\n<li>It will be necessary to draft internal procedures explaining the basis for calculating annual remuneration, managing long-term absences, processing contract changes during the year, and the effects of bonuses. It will then, undoubtedly, be essential to organize sessions for payroll and HR. <\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>5. Financial Impacts for the Company<\/strong><\/h2>\n\n<p>Immediate effect on cash flow and charges paid by the company:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Gains or losses in relief depend heavily on the wage structure: indeed, companies with a high percentage of employees around the SMIC retain an advantage (the UGDR maintains a high level of relief closest to the SMIC), but those with a significant proportion of intermediate salaries (between ~1.6 and 3 SMIC) may see a significant change in the amount of relief \u2013 up or down depending on the distribution and composition by contributions. External analyses predict reallocations of charges and net savings for social security, but also redistributive effects for companies. <\/li>\n<\/ul>\n\n<p>But also accounting and budgetary impacts:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Recalibration of social forecasts: it will be necessary to update &#8220;<em>personnel costs<\/em>&#8221; budgets with simulations (with at least 3 scenarios: base, pessimistic, optimistic).<\/li>\n\n\n\n<li>Effect on net payroll: the savings in employer contributions modify the total cost of labor, which can influence salary decisions (revaluations) or hiring policies for low-wage positions.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>6. Operational Recommendations (Checklist for Payroll Managers)<\/strong><\/h2>\n\n<p>It is clear that each company is different, and the specific context will imply specific obligations for the company. Nevertheless, some recommendations seem essential for all: <\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Update the parameterization of payroll software, whatever it may be, and request written proof from the provider regarding acceptance testing, but also regarding compliance with the legal formula (including rounding rules).<\/li>\n\n\n\n<li>Launch massive simulations (year N vs. 2026) broken down by remuneration bracket and by establishment.<\/li>\n\n\n\n<li>Automate control statements: table per employee (annual remuneration, coefficient, reduction amount), monthly monitoring.<\/li>\n\n\n\n<li>Review accounting rules: plan for adjustment provisions for potential year-end regularizations.<\/li>\n\n\n\n<li>Prepare documentation for URSSAF: supporting documents for annual bases, parameterization, payslip explaining the relief if requested.<\/li>\n\n\n\n<li>Raise awareness among managers and management control or <em>Comp &amp; Ben<\/em> departments about the possible effects on labor costs and HR decisions.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\">7. <strong>Points to Monitor and Risks<\/strong><\/h2>\n\n<p>It will be essential to keep in mind a few prevalent risks that will need to be kept under control to avoid payroll errors and disputes with OPS:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Parameterization errors (exponent P, Tmin\/Tdelta, SMIC retained) can lead to URSSAF reassessments. It will therefore be necessary to implement an effective acceptance testing strategy and not rely solely on the unit testing proposed by the editor\/integrator. <\/li>\n\n\n\n<li>The processing of year-end bonuses: a one-off payment can shift an employee into a bracket where the reduction decreases sharply. It will therefore be necessary to plan for smoothing rules or an adaptation of provisions. <\/li>\n\n\n\n<li>Regulatory evolution: the reform provides for monitoring and adjustments (monitoring committee mentioned <em>above<\/em>). It will be essential to remain vigilant to any subsequent regulatory adjustments. <\/li>\n<\/ul>\n\n<p>In conclusion, the UGDR unifies and complicates the calculation of relief measures: the calculation mechanism is now more parameterized and more dependent on annual remuneration (power 1.75, segmented Tmin\/Tdelta, ceiling at 3 SMIC).<\/p>\n\n<p>For payroll departments, the challenge is twofold: to ensure the reliability of parameterization (software, rounding, bonus processing) and to provide robust control statements for both management and URSSAF.<\/p>\n\n<p>Financially, the impact is structural and reshuffles the cards according to each company&#8217;s wage distribution.<\/p>\n\n<p>In conclusion: simulate, document, and adapt processes before January 1, 2026. Alth\u00e9a can support you in this process in two ways: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>The recalculation by Alth\u00e9a&#8217;s teams (optimization of social charges), based on test payslips upstream or the first months of 2026 after the implementation of the UGDR, to optimize and ensure the reliability of the applied calculation rules,<\/li>\n\n\n\n<li>By implementing, in collaboration with the company&#8217;s payroll experts, a UGDR 2026 implementation plan adapted to your context, through a diagnosis and impact analysis, a control of parameterization notably by implementing an appropriate acceptance testing strategy adapted to the company&#8217;s specific populations, but also the implementation of information actions and the construction of communication actions and materials intended for HR stakeholders as well as concerned employees; post-deployment support, aimed at securing production, can complement the contribution of our consultants to your departments.<\/li>\n<\/ul>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Author: Guillaume Benezit, Engagement Manager The Unified General Degressive Reduction (UGDR) represents one of the major reforms in the social landscape for 2026. It marks the end of the so-called &#8220;Fillon&#8221; reduction (General Reduction of Employer Contributions &#8211; RGCP) in favor of a unified, degressive, and expanded mechanism, aiming to simplify relief measures while redefining [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":19525,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UGDR 2026: Understanding Everything<\/title>\n<meta name=\"description\" content=\"Discover the UGDR 2026: New Formula for Employer Contribution Relief, Payroll Impacts, and Best Practices.\" \/>\n<meta name=\"robots\" content=\"noindex, 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