You farm a few hectares of land and are wondering if you need to contribute to the MSA. The answer does not lie in a single national figure. It depends on your department, your type of crop, and sometimes even your working hours. Let’s break down the real criteria that trigger the obligation to affiliate.
Departmental SMA: why the threshold varies from one department to another
The MSA does not set an identical number of hectares for all of France. The main criterion is called the minimum area of affiliation (SMA). Each prefecture publishes an order that defines this SMA for its department.
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In practical terms, a grain farmer in Eure-et-Loir does not have the same threshold as a livestock farmer in Puy-de-Dôme. Administrative references can range from a few dozen hectares to over a hundred depending on the departments and productions. For livestock or specialized crops like vineyards, equivalents in hectares are provided.
This local functioning explains why there is no simple answer to the question from how many hectares the MSA is mandatory: the threshold depends on both the territory and the nature of the agricultural activity carried out.
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Minimum activity of affiliation: the three MSA criteria to know
The SMA is just one of the three components of a broader system called minimum activity of affiliation (AMA). Meeting just one of these three criteria is enough to trigger affiliation as an operator.
- The area farmed meets or exceeds the SMA set in your department. This is the most common criterion for large crops and extensive livestock farming.
- The working time devoted to agricultural activity reaches at least 1,200 hours per year. This criterion applies when the area cannot be taken as a reference, for example, for an agricultural work company or certain equestrian activities.
- The professional income generated by the agricultural activity exceeds a certain threshold. This third criterion targets farms whose profitability is high despite a modest area.
Meeting just one criterion among these three triggers the obligation to affiliate. You can farm an area smaller than the SMA and still fall under the MSA if your working hours or agricultural income exceed the corresponding threshold.
MSA solidarity contributor: the intermediate status below the SMA
You farm an agricultural area, but it remains below the SMA of your department. Are you therefore exempt from any connection with the MSA? Not necessarily.
There is an intermediate status: the solidarity contributor. You are attached to this status if your farm reaches at least a quarter of the departmental SMA without reaching the full SMA. You then pay a solidarity contribution, but you do not benefit from the full social coverage of an operator (retirement, illness, work accidents).
This status often concerns people with multiple jobs or retirees who retain a plot. Below a quarter of the SMA, no MSA contribution is due. The farm is then considered too small to justify attachment to the agricultural scheme.
Concrete example for better understanding
Imagine a department where the SMA is set at 40 hectares for large crops. A farmer who cultivates 15 hectares (more than a quarter of 40) will be a solidarity contributor. Another who cultivates 8 hectares (less than a quarter) will have no obligation to the MSA, unless their working hours or agricultural income reach the thresholds mentioned above.
Multiple activities and non-agricultural income: a common trap
Many agricultural project holders have another job alongside. This situation of multiple activities complicates matters. The MSA takes into account non-agricultural income to determine your social protection scheme.
If your non-agricultural income exceeds a certain level compared to your agricultural income, you may fall under the general scheme for illness while contributing to the MSA for retirement. The rules for affiliation thus intersect area, working time, agricultural income, and external income.
For an employee who takes on a few hectares of vineyard on weekends, the question is not just “how many hectares?”. It also concerns the actual time devoted to the vineyard and the share that vineyard income represents in their overall resources.
Check your situation: the concrete steps
The first step is to consult the prefectural order of your department to know the applicable SMA for your production. This document is available at the prefecture or from your local MSA.
- Identify the SMA corresponding to your type of crop or livestock, taking into account the equivalents for specialized productions.
- Compare the area you actually farm to this SMA. If it meets the SMA, you will be affiliated as an operator.
- If your area is below the SMA but above a quarter, prepare for the solidarity contributor status.
- If your area is very small, still check the criterion of 1,200 annual hours and that of agricultural professional income.
If in doubt, the MSA of your department can conduct a personalized study of your situation. Any change in area or activity must be reported to the MSA, as it can change your status from one year to the next.
The number of hectares that triggers MSA affiliation is therefore never a single answer. It is a local threshold, modulated by the nature of the production and complemented by two other criteria that area alone does not summarize. Before setting up or modifying your farm, consult the SMA of your department: it is the starting point for any reliable process.