{"id":236706,"date":"2026-06-24T10:03:51","date_gmt":"2026-06-24T08:03:51","guid":{"rendered":"https:\/\/arlettipartners.com\/?news=travailleurs-frontaliers-italie-suisse-eclaircissements-de-l-agence-des-revenus-sur-l-application-du-nouveau-regime-fiscal-reponse-a-une-demande-n-126-2026"},"modified":"2026-06-24T10:03:51","modified_gmt":"2026-06-24T08:03:51","slug":"travailleurs-frontaliers-italie-suisse-eclaircissements-de-l-agence-des-revenus-sur-l-application-du-nouveau-regime-fiscal-reponse-a-une-demande-n-126-2026","status":"publish","type":"news","link":"https:\/\/arlettipartners.com\/fr\/travailleurs-frontaliers-italie-suisse-eclaircissements-de-l-agence-des-revenus-sur-l-application-du-nouveau-regime-fiscal-reponse-a-une-demande-n-126-2026\/","title":{"rendered":"Travailleurs frontaliers Italie\u2013Suisse : \u00e9claircissements de l\u2019Agence des Revenus sur l\u2019application du nouveau r\u00e9gime fiscal (R\u00e9ponse \u00e0 une demande n\u00b0 126\/2026)"},"content":{"rendered":"<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Introduction<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">Avec\u00a0la\u00a0<\/span><a href=\"https:\/\/www.agenziaentrate.gov.it\/portale\/documents\/20143\/10065080\/Risposta+n.+126_2026.pdf\/e297d8c8-76ec-dd45-918a-747804e82685?t=1782120438527\"><span data-contrast=\"none\">r\u00e9ponse\u00a0\u00e0 la\u00a0demande\u00a0n\u00b0 126 de 2026<\/span><\/a><span data-contrast=\"auto\">, l\u2019Agence des Revenus (Agenzia delle Entrate) est revenue sur les clarifications concernant le champ d\u2019application du nouveau r\u00e9gime fiscal des travailleurs frontaliers, tel que d\u00e9fini par l\u2019<\/span><b><span data-contrast=\"auto\">Accord entre la R\u00e9publique italienne et la Conf\u00e9d\u00e9ration suisse du 23 d\u00e9cembre 2020<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Ce document s\u2019inscrit dans le processus progressif d\u2019interpr\u00e9tation de cette nouvelle r\u00e9glementation, qui a profond\u00e9ment modifi\u00e9 le traitement fiscal des revenus du travail salari\u00e9 des frontaliers, en \u00e9largissant son champ d\u2019application subjectif et en red\u00e9finissant les modalit\u00e9s d\u2019imposition entre les deux \u00c9tats.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Le\u00a0r\u00e9gime\u00a0fiscal\u00a0des\u00a0travailleurs\u00a0frontaliers<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">Le r\u00e9gime fiscal des travailleurs frontaliers est d\u00e9sormais r\u00e9gi par l\u2019<\/span><a href=\"https:\/\/www.fedlex.admin.ch\/eli\/cc\/2023\/410\/fr\"><b><span data-contrast=\"none\">Accord entre la R\u00e9publique italienne et la Conf\u00e9d\u00e9ration suisse du 23 d\u00e9cembre 2020<\/span><\/b><\/a><span data-contrast=\"auto\">, ratifi\u00e9 par la\u00a0<\/span><a href=\"https:\/\/www.normattiva.it\/atto\/caricaDettaglioAtto?atto.dataPubblicazioneGazzetta=2023-06-30&amp;atto.codiceRedazionale=23G00087&amp;tipoDettaglio=multivigenza&amp;classica=true\"><span data-contrast=\"none\">loi n\u00b0 83 du 13 juin 2023\u00a0(en Italien)<\/span><\/a><span data-contrast=\"auto\">\u00a0et applicable depuis le\u00a0<\/span><b><span data-contrast=\"auto\">1er janvier 2024<\/span><\/b><span data-contrast=\"auto\">\u00a0(article 8).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p>Selon\u00a0<strong>l&#8217;article 3 de l&#8217;Accord<\/strong>, les revenus du travail salari\u00e9 des frontaliers sont imposables dans <span data-contrast=\"auto\">l\u2019\u00c9tat o\u00f9 l&#8217;activit\u00e9 professionnelle est exerc\u00e9e, par le biais d&#8217;une retenue \u00e0 la source pouvant aller jusqu&#8217;\u00e0\u00a0<strong>80 % de<b>l\u2019imp\u00f4t d\u00fb<\/b><\/strong>conform\u00e9ment \u00e0 la l\u00e9gislation interne, y compris les taxes locales suppl\u00e9mentaires.<\/span><\/p>\n<p><span data-contrast=\"auto\">L\u2019\u00c9tat de r\u00e9sidence conserve cependant le droit de taxer le revenu global, avec \u00e9limination de la double imposition conform\u00e9ment \u00e0 la <\/span><b><span data-contrast=\"auto\">Convention fiscale\u00a0entre\u00a0l\u2019Italie\u00a0et la Suisse<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p>Pour l&#8217;application de ce r\u00e9gime, l&#8217;<strong>article 2, lettre b)\u00a0<\/strong>d\u00e9finit le travailleur frontalier comme une personne r\u00e9sidant dans une commune situ\u00e9e \u00e0\u00a0<strong>moins de 20 km de la fronti\u00e8re<\/strong>, qui exerce une activit\u00e9 dans la zone frontali\u00e8re de l&#8217;autre <span data-contrast=\"auto\">\u00c9tat et retourne, en principe, <b>quotidiennement<\/b> \u00e0 son domicile. Pour l&#8217;Italie, la zone frontali\u00e8re comprend la\u00a0<strong>Lombardie, le Pi\u00e9mont, la Vall\u00e9e d&#8217;Aoste et la Province autonome de Bolzano.<\/strong><\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Diff\u00e9rences\u00a0par\u00a0rapport\u00a0au\u00a0r\u00e9gime\u00a0pr\u00e9c\u00e9dent<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">L\u2019<\/span><b><span data-contrast=\"auto\">Accord de 1974<\/span><\/b><span data-contrast=\"auto\"> pr\u00e9voyait en revanche une imposition exclusive dans l\u2019\u00c9tat de r\u00e9sidence du travailleur, sans imposition dans l\u2019\u00c9tat o\u00f9 l\u2019activit\u00e9 \u00e9tait exerc\u00e9e.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p>Le nouveau r\u00e9gime introduit donc une\u00a0<strong>imposition concurrente<\/strong> entre les deux <span data-contrast=\"auto\">\u00c9tats, avec une \u00e9largissement du champ d&#8217;application subjectif et la reconnaissance d&#8217;une part d&#8217;imposition \u00e0 l\u2019\u00c9tat de la source.<\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Le\u00a0cas\u00a0soumis\u00a0\u00e0 l\u2019Agence\u00a0des\u00a0Revenus<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p>Dans le cas faisant l&#8217;objet de la demande, la contribuable est\u00a0<strong>fiscalement r\u00e9sidente en Suisse<\/strong>, dans une commune frontali\u00e8re du canton du Tessin, et exerce une activit\u00e9 professionnelle en tant que <strong>rep\u00e9sentante pharmaceutique\u00a0<\/strong>pour une soci\u00e9t\u00e9 italienne dont le si\u00e8ge social est situ\u00e9 en\u00a0<strong>V\u00e9n\u00e9tie<\/strong>.<\/p>\n<p><span data-contrast=\"auto\">L\u2019activit\u00e9 professionnelle est int\u00e9gralement exerc\u00e9e sur le territoire italien, et plus pr\u00e9cis\u00e9ment en <\/span><b><span data-contrast=\"auto\">Lombardie<\/span><\/b><span data-contrast=\"auto\">, qui fait partie de la zone frontali\u00e8re au sens de l\u2019Accord.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">La\u00a0contribuable\u00a0se\u00a0qualifie\u00a0comme\u00a0<\/span><b><span data-contrast=\"auto\">\u00ab\u00a0travailleuse\u00a0frontali\u00e8re\u00a0invers\u00e9e\u00a0\u00bb<\/span><\/b><span data-contrast=\"auto\"> et demande si le r\u00e9gime pr\u00e9vu par l\u2019Accord peut s\u2019appliquer m\u00eame si le si\u00e8ge de l\u2019employeur n\u2019est pas situ\u00e9 dans une commune frontali\u00e8re, mais en dehors de la zone frontali\u00e8re italienne.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">La\u00a0r\u00e9ponse\u00a0de l\u2019Agence\u00a0des\u00a0Revenus<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">L\u2019Agence des Revenus a clarifi\u00e9, \u00e0 titre interpr\u00e9tatif, que le <\/span><b><span data-contrast=\"auto\">crit\u00e8re\u00a0central<\/span><\/b><span data-contrast=\"auto\">\u00a0pour\u00a0l\u2019application\u00a0du\u00a0r\u00e9gime\u00a0est l\u2019exercice\u00a0de l\u2019activit\u00e9\u00a0professionnelle\u00a0dans\u00a0la\u00a0<\/span><b><span data-contrast=\"auto\">zone frontali\u00e8re de l\u2019\u00c9tat o\u00f9 la prestation est effectu\u00e9e<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">La\u00a0r\u00e9glementation\u00a0exige\u00a0en\u00a0effet\u00a0que\u00a0le\u00a0travailleur\u00a0:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">r\u00e9side\u00a0dans\u00a0une\u00a0commune\u00a0situ\u00e9e\u00a0\u00e0\u00a0<\/span><b><span data-contrast=\"auto\">moins\u00a0de 20 km de la\u00a0fronti\u00e8re<\/span><\/b><span data-contrast=\"auto\">\u00a0;<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">exerce\u00a0une\u00a0activit\u00e9\u00a0salari\u00e9e\u00a0dans\u00a0la\u00a0<\/span><b><span data-contrast=\"auto\">zone\u00a0frontali\u00e8re\u00a0de l\u2019autre\u00a0\u00c9tat<\/span><\/b><span data-contrast=\"auto\">\u00a0;<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">retourne,\u00a0<\/span><b><span data-contrast=\"auto\">en principe\u00a0quotidiennement<\/span><\/b><span data-contrast=\"auto\">,\u00a0dans\u00a0son\u00a0\u00c9tat\u00a0de\u00a0r\u00e9sidence.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">En ce qui concerne l\u2019employeur, l\u2019Accord exige uniquement que celui-ci soit <\/span><b><span data-contrast=\"auto\">r\u00e9sident\u00a0dans\u00a0l\u2019autre\u00a0\u00c9tat\u00a0contractant<\/span><\/b><span data-contrast=\"auto\">, sans autres restrictions territoriales li\u00e9es \u00e0 la zone frontali\u00e8re.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p>Il en d\u00e9coule que la localisation du si\u00e8ge de l&#8217;employer\u00a0<strong>en dehors de la zone frontali\u00e8re italienne <\/strong>n\u2019emp\u00eache pas l&#8217;application du r\u00e9gime, \u00e0 condition que le travailleur exerce effectivement son activit\u00e9 dans l&#8217;une des r\u00e9gions faisant partie de la zone frontali\u00e8re (Lombardie, Pi\u00e9mont, Vall\u00e9e d&#8217;Aoste ou Province autonome de Bolzano) et que tous les autres crit\u00e8res pr\u00e9vus par l&#8217;Accord soient remplis<\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Conclusions<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:281,&quot;335559739&quot;:281}\">\u00a0<\/span><\/h2>\n<p>Avec la r\u00e9ponse \u00e0 la demande n<span data-contrast=\"auto\">\u00b0 126 de 2026, l&#8217;Agence des Revenus a confirm\u00e9 une interpr\u00e9tation\u00a0<strong>globalement favorable\u00a0<\/strong>\u00e0 l&#8217;application du r\u00e9gime des frontaliers, en clarifiant que le crit\u00e8re territorial pertinent concerne <strong>uniquement le lieu d&#8217;exercice de l&#8217;activit\u00e9 professionnelle<\/strong> et non la localisation de l&#8217;entreprise employeuse dans la zone frontali\u00e8re.<\/span><\/p>\n<p><span data-contrast=\"auto\">Cette clarification est particuli\u00e8rement pertinente dans les situations de travailleurs r\u00e9sidant en Suisse et exer\u00e7ant une activit\u00e9 en Italie pour des employeurs non situ\u00e9s dans les communes frontali\u00e8res, \u00e9largissant ainsi les cas potentiellement admissibles au r\u00e9gime avantageux.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cependant, le\u00a0<\/span><b><span data-contrast=\"auto\">cadre\u00a0juridique\u00a0exact<\/span><\/b><span data-contrast=\"auto\"> et la v\u00e9rification des crit\u00e8res subjectifs et territoriaux restent des aspects d\u00e9licats, n\u00e9cessitant une\u00a0<\/span><b><span data-contrast=\"auto\">analyse\u00a0au\u00a0cas\u00a0par\u00a0cas<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><i><span data-contrast=\"auto\">Dans ce\u00a0contexte,\u00a0le\u00a0<\/span><\/i><b><i><span data-contrast=\"auto\">cabinet\u00a0A&amp;P<\/span><\/i><\/b><i><span data-contrast=\"auto\">\u00a0accompagne\u00a0les\u00a0entreprises et\u00a0les\u00a0travailleurs\u00a0dans\u00a0<\/span><\/i><a href=\"https:\/\/arlettipartners.com\/fr\/services\/declaration-de-revenus-en-ligne-pour-entreprises-et-individus\/\"><i><span data-contrast=\"none\">l\u2019\u00e9valuation de l\u2019applicabilit\u00e9 du r\u00e9gime des frontaliers et dans la gestion correcte des obligations fiscales<\/span><\/i><\/a><i><span data-contrast=\"auto\">, y\u00a0compris\u00a0la\u00a0pr\u00e9paration\u00a0de la\u00a0<\/span><\/i><b><i><span data-contrast=\"auto\">d\u00e9claration\u00a0des\u00a0revenus<\/span><\/i><\/b><i><span data-contrast=\"auto\">,\u00a0afin\u00a0de garantir un\u00a0traitement\u00a0fiscal\u00a0correct\u00a0et une\u00a0conformit\u00e9\u00a0totale \u00e0 la\u00a0r\u00e9glementation\u00a0en\u00a0vigueur.<\/span><\/i><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec la r\u00e9ponse \u00e0 la demande n\u00b0 126\/2026, l\u2019Agence des Revenus italienne a apport\u00e9 des pr\u00e9cisions sur l\u2019application du nouveau r\u00e9gime fiscal des travailleurs frontaliers Italie\u2013Suisse. Le crit\u00e8re d\u00e9terminant est le lieu o\u00f9 l\u2019activit\u00e9 professionnelle est effectivement exerc\u00e9e, et non la localisation du si\u00e8ge social de l\u2019employeur. 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