{"id":20267,"date":"2026-03-26T10:56:46","date_gmt":"2026-03-26T09:56:46","guid":{"rendered":"https:\/\/www.addit.it\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/"},"modified":"2026-03-26T10:56:46","modified_gmt":"2026-03-26T09:56:46","slug":"solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax","status":"publish","type":"post","link":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/","title":{"rendered":"Solo il 5% di tasse su aumenti e notturni: come funziona la nuova flat tax"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":20240,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268,278],"tags":[279,270,280,271,284,282,285,281,283],"class_list":["post-20267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-hr-consulting-en","category-human-resources","tag-employment","tag-employment-consultancy","tag-flat-tax-en","tag-hr-en","tag-legislation","tag-payslip","tag-remuneration","tag-renewal-of-the-national-collective-agreement","tag-taxation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5% flat tax on contractual pay rises for 2024\u20132026<\/title>\n<meta name=\"description\" content=\"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5% flat tax on contractual pay rises for 2024\u20132026\" \/>\n<meta property=\"og:description\" content=\"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\" \/>\n<meta property=\"og:site_name\" content=\"Addit SRL\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-26T09:56:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Addit\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Addit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\"},\"author\":{\"name\":\"Addit\",\"@id\":\"https:\/\/www.addit.it\/en\/#\/schema\/person\/40a4042b1937c9ce01750633c67e4507\"},\"headline\":\"Solo il 5% di tasse su aumenti e notturni: come funziona la nuova flat tax\",\"datePublished\":\"2026-03-26T09:56:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\"},\"wordCount\":14,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.addit.it\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg\",\"keywords\":[\"Employment\",\"employment consultancy\",\"Flat Tax\",\"HR\",\"Legislation\",\"Payslip\",\"Remuneration\",\"Renewal of the National Collective Agreement\",\"Taxation\"],\"articleSection\":[\"Business &amp; HR Consulting\",\"Human Resources\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\",\"url\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\",\"name\":\"5% flat tax on contractual pay rises for 2024\u20132026\",\"isPartOf\":{\"@id\":\"https:\/\/www.addit.it\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg\",\"datePublished\":\"2026-03-26T09:56:46+00:00\",\"description\":\"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage\",\"url\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg\",\"contentUrl\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg\",\"width\":1280,\"height\":853,\"caption\":\"FLAT TAX\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.addit.it\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Solo il 5% di tasse su aumenti e notturni: come funziona la nuova flat tax\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.addit.it\/en\/#website\",\"url\":\"https:\/\/www.addit.it\/en\/\",\"name\":\"Addit SRL\",\"description\":\"Spark your business\",\"publisher\":{\"@id\":\"https:\/\/www.addit.it\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.addit.it\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.addit.it\/en\/#organization\",\"name\":\"Addit Srl\",\"url\":\"https:\/\/www.addit.it\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.addit.it\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2023\/09\/Addit_logo-PO_positivo_RGB.png\",\"contentUrl\":\"https:\/\/www.addit.it\/wp-content\/uploads\/2023\/09\/Addit_logo-PO_positivo_RGB.png\",\"width\":2000,\"height\":776,\"caption\":\"Addit Srl\"},\"image\":{\"@id\":\"https:\/\/www.addit.it\/en\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.addit.it\/en\/#\/schema\/person\/40a4042b1937c9ce01750633c67e4507\",\"name\":\"Addit\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.addit.it\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6e12c45d603d2f7b5b553e42873f20da?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6e12c45d603d2f7b5b553e42873f20da?s=96&d=mm&r=g\",\"caption\":\"Addit\"},\"sameAs\":[\"https:\/\/www.addit.it\"],\"url\":\"https:\/\/www.addit.it\/en\/author\/addit\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"5% flat tax on contractual pay rises for 2024\u20132026","description":"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/","og_locale":"en_US","og_type":"article","og_title":"5% flat tax on contractual pay rises for 2024\u20132026","og_description":"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.","og_url":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/","og_site_name":"Addit SRL","article_published_time":"2026-03-26T09:56:46+00:00","og_image":[{"width":1280,"height":853,"url":"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg","type":"image\/jpeg"}],"author":"Addit","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Addit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#article","isPartOf":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/"},"author":{"name":"Addit","@id":"https:\/\/www.addit.it\/en\/#\/schema\/person\/40a4042b1937c9ce01750633c67e4507"},"headline":"Solo il 5% di tasse su aumenti e notturni: come funziona la nuova flat tax","datePublished":"2026-03-26T09:56:46+00:00","mainEntityOfPage":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/"},"wordCount":14,"commentCount":0,"publisher":{"@id":"https:\/\/www.addit.it\/en\/#organization"},"image":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage"},"thumbnailUrl":"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg","keywords":["Employment","employment consultancy","Flat Tax","HR","Legislation","Payslip","Remuneration","Renewal of the National Collective Agreement","Taxation"],"articleSection":["Business &amp; HR Consulting","Human Resources"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/","url":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/","name":"5% flat tax on contractual pay rises for 2024\u20132026","isPartOf":{"@id":"https:\/\/www.addit.it\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage"},"image":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage"},"thumbnailUrl":"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg","datePublished":"2026-03-26T09:56:46+00:00","description":"Flat tax su aumenti contrattuali: aliquota 5% e 15%, requisiti e applicazione in busta paga.","breadcrumb":{"@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#primaryimage","url":"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg","contentUrl":"https:\/\/www.addit.it\/wp-content\/uploads\/2026\/03\/FLAT-TAX.jpg","width":1280,"height":853,"caption":"FLAT TAX"},{"@type":"BreadcrumbList","@id":"https:\/\/www.addit.it\/en\/solo-il-5-di-tasse-su-aumenti-e-notturni-come-funziona-la-nuova-flat-tax\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.addit.it\/en\/"},{"@type":"ListItem","position":2,"name":"Solo il 5% di tasse su aumenti e notturni: come funziona la nuova flat tax"}]},{"@type":"WebSite","@id":"https:\/\/www.addit.it\/en\/#website","url":"https:\/\/www.addit.it\/en\/","name":"Addit SRL","description":"Spark your business","publisher":{"@id":"https:\/\/www.addit.it\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.addit.it\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.addit.it\/en\/#organization","name":"Addit Srl","url":"https:\/\/www.addit.it\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.addit.it\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.addit.it\/wp-content\/uploads\/2023\/09\/Addit_logo-PO_positivo_RGB.png","contentUrl":"https:\/\/www.addit.it\/wp-content\/uploads\/2023\/09\/Addit_logo-PO_positivo_RGB.png","width":2000,"height":776,"caption":"Addit Srl"},"image":{"@id":"https:\/\/www.addit.it\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.addit.it\/en\/#\/schema\/person\/40a4042b1937c9ce01750633c67e4507","name":"Addit","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.addit.it\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6e12c45d603d2f7b5b553e42873f20da?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6e12c45d603d2f7b5b553e42873f20da?s=96&d=mm&r=g","caption":"Addit"},"sameAs":["https:\/\/www.addit.it"],"url":"https:\/\/www.addit.it\/en\/author\/addit\/"}]}},"_links":{"self":[{"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/posts\/20267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/comments?post=20267"}],"version-history":[{"count":0,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/posts\/20267\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/media\/20240"}],"wp:attachment":[{"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/media?parent=20267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/categories?post=20267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.addit.it\/en\/wp-json\/wp\/v2\/tags?post=20267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}