{"id":925,"date":"2026-07-15T15:00:57","date_gmt":"2026-07-15T15:00:57","guid":{"rendered":"https:\/\/www.onecca.cm\/?p=925"},"modified":"2026-07-15T15:00:57","modified_gmt":"2026-07-15T15:00:57","slug":"modernisation-du-fichier-des-contribuables-ladministration-fiscale-lance-la-plateforme-atom","status":"publish","type":"post","link":"https:\/\/www.onecca.cm\/index.php\/2026\/07\/15\/modernisation-du-fichier-des-contribuables-ladministration-fiscale-lance-la-plateforme-atom\/","title":{"rendered":"MODERNISATION DU FICHIER DES CONTRIBUABLES : L&rsquo;ADMINISTRATION FISCALE LANCE LA PLATEFORME \u00ab ATOM \u00bb"},"content":{"rendered":"<p>Dans le cadre de la modernisation de la gestion du fichier des contribuables, le Minist\u00e8re des Finances annonce le remplacement progressif de la plateforme Harmony par la nouvelle application d\u00e9nomm\u00e9e \u00ab ATOM \u00bb. L&rsquo;ONECCA invite ses membres \u00e0 prendre connaissance des nouvelles modalit\u00e9s et \u00e0 accompagner leurs clients dans cette transition.<\/p>\n<p>&nbsp;<\/p>\n<p><span class=\"\">Par un communiqu\u00e9 en date du 10 avril 2026, le Ministre des Finances informe l&rsquo;ensemble des contribuables et usagers des services fiscaux de la mise en service d&rsquo;une nouvelle application d&rsquo;immatriculation d\u00e9nomm\u00e9e\u00a0<\/span><strong><span class=\"\">\u00ab ATOM \u00bb<\/span><\/strong><span class=\"\">, qui remplacera progressivement la plateforme Harmony.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"\">\u00a0Ce qui change<\/span><\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fin des immatriculations sur Harmony<\/span><\/strong><span class=\"\">\u00a0: \u00e0 compter du\u00a0<\/span><strong><span class=\"\">30 juin 2026<\/span><\/strong><span class=\"\">, les op\u00e9rations d&rsquo;immatriculation en ligne sur Harmony prendront fin.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nouvelle plateforme obligatoire<\/span><\/strong><span class=\"\">\u00a0: \u00e0 partir du\u00a0<\/span><strong><span class=\"\">1er juillet 2026<\/span><\/strong><span class=\"\">, toutes les nouvelles immatriculations devront \u00eatre effectu\u00e9es exclusivement sur \u00ab ATOM \u00bb.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">D\u00e9lai de mise en conformit\u00e9<\/span><\/strong><span class=\"\">\u00a0: les contribuables d\u00e9j\u00e0 immatricul\u00e9s dans Harmony disposent d&rsquo;un d\u00e9lai du\u00a0<\/span><strong><span class=\"\">1er juillet au 31 d\u00e9cembre 2026<\/span><\/strong><span class=\"\">\u00a0pour proc\u00e9der \u00e0 leur r\u00e9-immatriculation sur ATOM. Pass\u00e9 ce d\u00e9lai, seules les immatriculations sur ATOM seront reconnues valides.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"\">\u00a0Ressources utiles<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Pour accompagner les usagers dans cette transition, l&rsquo;Administration fiscale met \u00e0 disposition :<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Le num\u00e9ro vert :<\/span><\/strong><span class=\"\">\u00a08200<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">La plateforme d&rsquo;assistance en ligne :<\/span><\/strong><span class=\"\">\u00a0<\/span><a href=\"https:\/\/www.support.harmony2.cm\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"\">www.support.harmony2.cm<\/span><\/a><\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">L&rsquo;ONECCA attire l&rsquo;attention de ses membres sur cette \u00e9ch\u00e9ance importante et les invite \u00e0 se tenir inform\u00e9s et \u00e0 accompagner leurs clients contribuables dans ces d\u00e9marches de mise en conformit\u00e9.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le cadre de la modernisation de la gestion du fichier des contribuables, le Minist\u00e8re des Finances annonce le remplacement progressif de la plateforme Harmony par la nouvelle application d\u00e9nomm\u00e9e \u00ab ATOM \u00bb. L&rsquo;ONECCA invite ses membres \u00e0 prendre connaissance des nouvelles modalit\u00e9s et \u00e0 accompagner leurs clients dans cette transition. &nbsp;  [&#8230;]<\/p>\n","protected":false},"author":5,"featured_media":926,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/posts\/925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/comments?post=925"}],"version-history":[{"count":1,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/posts\/925\/revisions"}],"predecessor-version":[{"id":927,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/posts\/925\/revisions\/927"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/media\/926"}],"wp:attachment":[{"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/media?parent=925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/categories?post=925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.onecca.cm\/index.php\/wp-json\/wp\/v2\/tags?post=925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}