{"id":4772,"date":"2026-03-30T11:00:39","date_gmt":"2026-03-30T09:00:39","guid":{"rendered":"https:\/\/www.ariasassessors.com\/?p=4772"},"modified":"2026-03-30T12:42:03","modified_gmt":"2026-03-30T10:42:03","slug":"despeses-que-es-poden-deduir-sii-iva","status":"publish","type":"post","link":"https:\/\/www.ariasassessors.com\/ca\/despeses-que-es-poden-deduir-sii-iva\/","title":{"rendered":"Despeses que els aut\u00f2noms es poden deduir al SII de l\u2019IVA: errors comuns i com evitar-los"},"content":{"rendered":"<p data-start=\"163\" data-end=\"664\">El Subministrament Immediat d\u2019Informaci\u00f3 (SII) \u00e9s un dels sistemes que m\u00e9s ha canviat la manera com els aut\u00f2noms i les pimes gestionen l\u2019IVA. Aquest sistema, que permet a l\u2019Ag\u00e8ncia Tribut\u00e0ria rebre la informaci\u00f3 de les factures gaireb\u00e9 en temps real, ha simplificat molts processos, per\u00f2 tamb\u00e9 ha comportat una major rigorositat en les inspeccions fiscals. En aquest article, analitzem les <strong data-start=\"553\" data-end=\"585\">despeses que es poden deduir<\/strong> i els errors m\u00e9s comuns que poden comportar sancions, aix\u00ed com com evitar-los.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice de Contenidos<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #428bca;color:#428bca\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #428bca;color:#428bca\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ariasassessors.com\/ca\/despeses-que-es-poden-deduir-sii-iva\/#Que_es_el_SII_de_lIVA\" title=\"Qu\u00e8 \u00e9s el SII de l\u2019IVA?\">Qu\u00e8 \u00e9s el SII de l\u2019IVA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ariasassessors.com\/ca\/despeses-que-es-poden-deduir-sii-iva\/#Errors_comuns_en_lus_del_SII_de_lIVA\" title=\"Errors comuns en l\u2019\u00fas del SII de l\u2019IVA\">Errors comuns en l\u2019\u00fas del SII de l\u2019IVA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ariasassessors.com\/ca\/despeses-que-es-poden-deduir-sii-iva\/#Com_evitar_errors_i_sancions_en_el_SII\" title=\"Com evitar errors i sancions en el SII\">Com evitar errors i sancions en el SII<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ariasassessors.com\/ca\/despeses-que-es-poden-deduir-sii-iva\/#Conclusio\" title=\"Conclusi\u00f3\">Conclusi\u00f3<\/a><\/li><\/ul><\/nav><\/div>\n<h3 data-section-id=\"p66cyn\" data-start=\"666\" data-end=\"693\"><span class=\"ez-toc-section\" id=\"Que_es_el_SII_de_lIVA\"><\/span>Qu\u00e8 \u00e9s el SII de l\u2019IVA?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"695\" data-end=\"1122\">El SII \u00e9s un sistema de gesti\u00f3 de l\u2019IVA obligatori per a algunes empreses i voluntari per a d\u2019altres. A trav\u00e9s d\u2019aquest sistema, les empreses han d\u2019enviar a l\u2019Ag\u00e8ncia Tribut\u00e0ria les dades de les seves factures emeses i rebudes, gaireb\u00e9 en temps real, utilitzant el model 340. Aix\u00f2 millora la precisi\u00f3 i l\u2019efici\u00e8ncia en la recaptaci\u00f3 de l\u2019IVA i permet a les empreses complir amb les seves obligacions fiscals de manera m\u00e9s \u00e0gil.<\/p>\n<p data-start=\"1124\" data-end=\"1325\">Tanmateix, els errors en la presentaci\u00f3 de les dades del SII poden comportar sancions. A continuaci\u00f3, et mostrem els errors m\u00e9s comuns que solen cometre els aut\u00f2noms i les pimes, i com pots evitar-los.<\/p>\n<h3 data-section-id=\"1r0so4n\" data-start=\"1327\" data-end=\"1369\"><span class=\"ez-toc-section\" id=\"Errors_comuns_en_lus_del_SII_de_lIVA\"><\/span>Errors comuns en l\u2019\u00fas del SII de l\u2019IVA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1371\" data-end=\"1435\"><strong data-start=\"1371\" data-end=\"1435\">1. No incloure totes les factures dins del termini establert<\/strong><\/p>\n<p data-start=\"1437\" data-end=\"1631\">Una de les sancions m\u00e9s freq\u00fcents es produeix quan les empreses no compleixen el termini de quatre dies naturals per enviar les factures a l\u2019Ag\u00e8ncia Tribut\u00e0ria des de la seva emissi\u00f3 o recepci\u00f3.<\/p>\n<p data-start=\"1633\" data-end=\"1848\"><strong data-start=\"1633\" data-end=\"1645\">Soluci\u00f3:<\/strong> Assegura\u2019t de tenir un sistema que permeti automatitzar l\u2019enviament de les factures per evitar oblits. \u00c9s fonamental portar un control adequat de les dates d\u2019emissi\u00f3 i recepci\u00f3 per complir els terminis.<\/p>\n<p data-start=\"1850\" data-end=\"1892\"><strong data-start=\"1850\" data-end=\"1892\">2. Errors en les dades de les factures<\/strong><\/p>\n<p data-start=\"1894\" data-end=\"2114\">Els errors en les dades de la factura, com n\u00fameros incorrectes d\u2019IVA, el concepte de l\u2019operaci\u00f3 o la base imposable, s\u00f3n tamb\u00e9 molt habituals. Aquests errors poden fer que la factura sigui rebutjada i comportar sancions.<\/p>\n<p data-start=\"2116\" data-end=\"2300\"><strong data-start=\"2116\" data-end=\"2128\">Soluci\u00f3:<\/strong> Revisa acuradament tota la informaci\u00f3 abans d\u2019enviar-la. Si \u00e9s possible, utilitza eines de facturaci\u00f3 integrades amb el SII per facilitar la correcta introducci\u00f3 de dades.<\/p>\n<p data-start=\"2302\" data-end=\"2385\"><strong data-start=\"2302\" data-end=\"2385\">3. Falta de coher\u00e8ncia entre els registres i les declaracions trimestrals d\u2019IVA<\/strong><\/p>\n<p data-start=\"2387\" data-end=\"2565\">\u00c9s habitual que els aut\u00f2noms o pimes no concili\u00efn correctament les dades enviades al SII amb les declaracions trimestrals (model 303). Les inconsist\u00e8ncies poden generar sancions.<\/p>\n<p data-start=\"2567\" data-end=\"2738\"><strong data-start=\"2567\" data-end=\"2579\">Soluci\u00f3:<\/strong> Conciliar mensualment o trimestralment les dades del SII amb les declaracions d\u2019IVA. Utilitza eines comptables que permetin verificar que tot estigui alineat.<\/p>\n<p data-start=\"2740\" data-end=\"2816\"><strong data-start=\"2740\" data-end=\"2816\">4. Errors en la classificaci\u00f3 d\u2019operacions exemptes o no subjectes a IVA<\/strong><\/p>\n<p data-start=\"2818\" data-end=\"2965\">Les operacions exemptes o no subjectes han de registrar-se correctament. Una mala classificaci\u00f3 pot provocar una liquidaci\u00f3 incorrecta de l\u2019impost.<\/p>\n<p data-start=\"2967\" data-end=\"3093\"><strong data-start=\"2967\" data-end=\"2979\">Soluci\u00f3:<\/strong> Consulta amb el teu assessor fiscal i utilitza programari que permeti etiquetar correctament aquestes operacions.<\/p>\n<p data-start=\"3095\" data-end=\"3145\"><strong data-start=\"3095\" data-end=\"3145\">5. No adaptar-se a les actualitzacions del SII<\/strong><\/p>\n<p data-start=\"3147\" data-end=\"3266\">L\u2019Ag\u00e8ncia Tribut\u00e0ria introdueix canvis peri\u00f2dics en el sistema. No tenir-los en compte pot provocar errors o omissions.<\/p>\n<p data-start=\"3268\" data-end=\"3380\"><strong data-start=\"3268\" data-end=\"3280\">Soluci\u00f3:<\/strong> Mant\u00e9n-te actualitzat i assegura\u2019t que el teu software est\u00e0 adaptat a les darreres actualitzacions.<\/p>\n<h3 data-section-id=\"1wp85u5\" data-start=\"3382\" data-end=\"3424\"><span class=\"ez-toc-section\" id=\"Com_evitar_errors_i_sancions_en_el_SII\"><\/span>Com evitar errors i sancions en el SII<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3426\" data-end=\"3752\">\n<li data-section-id=\"pxdkw2\" data-start=\"3426\" data-end=\"3513\"><strong data-start=\"3428\" data-end=\"3447\">Automatitzaci\u00f3:<\/strong> Utilitzar programes integrats amb el SII redueix errors humans.<\/li>\n<li data-section-id=\"1hdex23\" data-start=\"3514\" data-end=\"3599\"><strong data-start=\"3516\" data-end=\"3538\">Revisi\u00f3 peri\u00f2dica:<\/strong> Fer revisions regulars ajuda a detectar problemes a temps.<\/li>\n<li data-section-id=\"1ew7g10\" data-start=\"3600\" data-end=\"3669\"><strong data-start=\"3602\" data-end=\"3624\">Formaci\u00f3 cont\u00ednua:<\/strong> Les normatives canvien i cal estar al dia.<\/li>\n<li data-section-id=\"1vb9ksz\" data-start=\"3670\" data-end=\"3752\"><strong data-start=\"3672\" data-end=\"3704\">Assessorament especialitzat:<\/strong> Comptar amb experts pot evitar errors costosos.<\/li>\n<\/ul>\n<h3 data-section-id=\"13hqfr\" data-start=\"3754\" data-end=\"3767\"><span class=\"ez-toc-section\" id=\"Conclusio\"><\/span>Conclusi\u00f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3769\" data-end=\"4068\">El SII ha aportat molts avantatges en la gesti\u00f3 de l\u2019IVA, per\u00f2 tamb\u00e9 exigeix m\u00e9s rigor. Evitar errors com el no compliment de terminis o la mala classificaci\u00f3 d\u2019operacions \u00e9s clau per prevenir sancions. Amb una bona planificaci\u00f3 i eines adequades, \u00e9s possible complir amb el SII sense complicacions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El Subministrament Immediat d\u2019Informaci\u00f3 (SII) \u00e9s un dels sistemes que m\u00e9s ha canviat la manera com els aut\u00f2noms i les pimes gestionen l\u2019IVA. Aquest sistema, que permet a l\u2019Ag\u00e8ncia Tribut\u00e0ria rebre la informaci\u00f3 de les factures gaireb\u00e9 en temps real, ha simplificat molts processos, per\u00f2&#8230;<\/p>\n","protected":false},"author":2,"featured_media":4773,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1115],"tags":[],"class_list":["post-4772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articulos-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Despeses que els aut\u00f2noms es poden deduir al SII de l\u2019IVA<\/title>\n<meta name=\"description\" content=\"Guia sobre les despeses que es poden deduir els aut\u00f2noms al SII de l\u2019IVA i les que m\u00e9s problemes generen amb Hisenda.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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