Blue rectangle which turns into a red triangle: when the tax AI tracks down undeclared swimming pools in the Gers

Blue rectangle which turns into a red triangle: when the tax AI tracks down undeclared swimming pools in the Gers
Blue rectangle which turns into a red triangle: when the tax AI tracks down undeclared swimming pools in the Gers

the essential
By combining land register and satellite photos, artificial intelligence (AI) allows the tax authorities to ferret out undeclared swimming pools. Several hundred in the Gers…

In 2023, the tax authorities carried out a major wave of inspections of swimming pools throughout France. 140,000 undeclared pools were detected, representing a loot of €40 million for taxes. In the Gers, 506 swimming pools were discovered, with €183,000 in property taxes. And all this thanks to artificial intelligence (AI)… but also to the human eye!

“Since 2023, the departmental property tax service has brought together everything relating to land,” explains Catherine Perinetti, director of public finances for Gers. Built or not, professional or private, land registry, etc., everything is grouped together. » At the head of the Gers service, Adrien Cornet. He receives lists and maps for each municipality from the central services in Bercy.

Cyberdetection

Red triangle, green triangle, the AI ​​marks on the plan the locations where the land register and aerial photos do not match, and where the visible elements could be swimming pools. “It’s not 100%,” insists the Gers manager. A greenhouse, a tarpaulin on a pile of wood… The AI ​​can make mistakes, that’s why there is a control. »

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The Gers department checks the photos to see if the report made is relevant. In two thirds of cases, the detection is validated. On very rare occasions, agents will check on site. “These 506 swimming pools are by definition exposed and clearly visible. » It is still the human who comes into contact with the user. And the owner, in almost all cases, doesn’t argue.

Most are in good faith, assures Adrien Cornet, who salutes the tax citizenship of the Gersois. “94% of these are people who bought a house with the swimming pool already built, and who are unaware that it is not listed in the land register. And as we are talking about a variation of a few hundred euros on the property tax (only swimming pools of more than 10 m2 are to be declared, Editor’s note), between 150 and 300€, this also explains why the owners do not have perceived discrepancy. And the property tax catch-up will only take place in 2023. » Some of the installations identified had also been reported by their owners during the declaration of real estate assets in 2023.

Extended tracking

What’s new is the automation of research, its almost industrial character. AI was used in many tax audit processes, underlines the DGFIP. Its use for building verification will increase. Pools are actually a test. The AI ​​learns, and if finding a blue rectangle is now almost acquired, it is a matter of teaching it to spot other anomalies between reality and land registers.

This cross-referencing of AI on very large and time-consuming data actually frees up working time for tax agents. “There is no question of achieving 100% AI,” specifies the DGFIP. This is mass processing, which allows staff to concentrate on complex anti-fraud cases. »

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