{"id":553,"date":"2026-10-16T11:06:51","date_gmt":"2026-10-16T11:06:51","guid":{"rendered":"https:\/\/www.lacompta.org\/?page_id=553"},"modified":"2026-10-16T17:22:11","modified_gmt":"2026-10-16T15:22:11","slug":"lc-1f26333fa0de3603f6b7","status":"publish","type":"page","link":"https:\/\/www.lacompta.org\/vocabulaire\/vocabulaire-comptabilite-j\/journal-auxiliaire.php","title":{"rendered":"Journal auxiliaire : achats, ventes et banques"},"content":{"rendered":"<div class=\"lc-lexicon-page\">\n<h1>Journal auxiliaire : achats, ventes et banques<\/h1>\n<p><strong>Un journal auxiliaire regroupe chronologiquement une cat\u00e9gorie d\u2019op\u00e9rations, comme les achats, les ventes ou la banque.<\/strong> Il organise la saisie sans supprimer les r\u00e8gles de justification et de partie double.<\/p>\n<p>Le d\u00e9coupage d\u00e9pend de l\u2019activit\u00e9 et du syst\u00e8me comptable. Plusieurs banques ou circuits peuvent disposer de journaux distincts. La codification doit rester compr\u00e9hensible et \u00e9viter qu\u2019une m\u00eame op\u00e9ration soit enregistr\u00e9e \u00e0 la fois dans plusieurs circuits sans rapprochement.<\/p>\n<blockquote class=\"lc-lexicon-summary\">\n<p><strong>Rep\u00e8res sur journal auxiliaire<\/strong><\/p>\n<ul>\n<li>Achats : Factures et op\u00e9rations concern\u00e9es.<\/li>\n<li>Ventes : Produits et <a href=\"\/vocabulaire\/creances.php\">cr\u00e9ances<\/a> concern\u00e9es.<\/li>\n<\/ul>\n<\/blockquote>\n<div class=\"lc-lexicon-toc-container\"><nav class=\"lc-lexicon-toc\" aria-label=\"Sommaire de la page\"><details open><summary>Dans cette page<\/summary><ol><li><a href=\"#definition-et-fonctionnement\">D\u00e9finition et fonctionnement<\/a><\/li><li><a href=\"#les-reperes-a-distinguer\">Les rep\u00e8res \u00e0 distinguer<\/a><\/li><li><a href=\"#exemple-pratique\">Exemple pratique<\/a><\/li><li><a href=\"#points-de-controle\">Points de contr\u00f4le<\/a><\/li><li><a href=\"#mini-faq\">Mini FAQ<\/a><\/li><\/ol><\/details><\/nav><\/div>\n<h2 id=\"definition-et-fonctionnement\">D\u00e9finition et fonctionnement<\/h2>\n<p>Les donn\u00e9es alimentent le <a href=\"\/cours\/cours-de-comptabilite-generale\/organisation-comptable-grand-livre-et-balance.php\">grand livre<\/a> et les \u00e9tats de contr\u00f4le. La centralisation \u00e9ventuelle doit conserver un lien exploitable vers le d\u00e9tail. Un <a href=\"\/vocabulaire\/vocabulaire-comptabilite-j\/journal.php\">journal<\/a> de <a href=\"\/vocabulaire\/vocabulaire-comptabilite-b\/banque.php\">banque<\/a> ne suffit pas \u00e0 expliquer les ventes et achats \u00e0 cr\u00e9dit non encore r\u00e9gl\u00e9s.<\/p>\n<p>La cha\u00eene de contr\u00f4le part des pi\u00e8ces justificatives et conduit au journal, au grand livre puis \u00e0 la balance. Un montant au d\u00e9bit ou au cr\u00e9dit doit rester reli\u00e9 \u00e0 son op\u00e9ration et \u00e0 sa p\u00e9riode. L\u2019\u00e9galit\u00e9 des totaux ne v\u00e9rifie ni la nature du compte ni la r\u00e9alit\u00e9 du fait enregistr\u00e9.<\/p>\n<hr>\n<h2 id=\"les-reperes-a-distinguer\">Les rep\u00e8res \u00e0 distinguer<\/h2>\n<div class=\"lc-lexicon-table\">\n<table>\n<caption>Les rep\u00e8res \u00e0 distinguer<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Rep\u00e8re<\/th>\n<th scope=\"col\">Lecture comptable<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Achats<\/th>\n<td>Factures et op\u00e9rations concern\u00e9es<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Ventes<\/th>\n<td>Produits et cr\u00e9ances concern\u00e9es<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Banque<\/th>\n<td>R\u00e8glements et mouvements financiers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"exemple-pratique\">Exemple pratique<\/h2>\n<p>Une facture fournisseur est enregistr\u00e9e dans le journal d\u2019achats, puis son paiement dans le journal de banque. Le premier mouvement constate l\u2019op\u00e9ration et la <a href=\"\/vocabulaire\/dette.php\">dette<\/a> ; le second solde la dette. Comptabiliser une seconde charge au paiement cr\u00e9erait un doublon.<\/p>\n<blockquote><p>Le journal d\u2019origine et le journal de paiement d\u00e9crivent deux \u00e9tapes li\u00e9es. Ils ne justifient pas deux charges pour une m\u00eame facture.<\/p><\/blockquote>\n<h2 id=\"points-de-controle\">Points de contr\u00f4le<\/h2>\n<ul>\n<li>D\u00e9finir les codes de journaux.<\/li>\n<li>Contr\u00f4ler les r\u00e9f\u00e9rences communes.<\/li>\n<li>\u00c9viter les doublons entre facture et paiement.<\/li>\n<\/ul>\n<hr>\n<h2 id=\"mini-faq\">Mini FAQ<\/h2>\n<h3>Un journal auxiliaire est-il un compte auxiliaire ?<\/h3>\n<p>Non. Le journal organise les op\u00e9rations par cat\u00e9gorie ; le compte auxiliaire suit un tiers, comme un client ou un fournisseur.<\/p>\n<h3>Une centralisation permet-elle de perdre le d\u00e9tail ?<\/h3>\n<p>Non. La tra\u00e7abilit\u00e9 doit permettre d\u2019expliquer les totaux et de retrouver les \u00e9critures et justificatifs concern\u00e9s.<\/p>\n<h3>Pourquoi l\u2019\u00e9quilibre des \u00e9critures ne suffit-il pas ?<\/h3>\n<p>Une erreur de compte, de date ou de taxe peut laisser les totaux d\u00e9bit et cr\u00e9dit \u00e9gaux. La v\u00e9rification porte donc aussi sur les justificatifs, la qualification et le <strong>rattachement \u00e0 l\u2019exercice<\/strong>, avec une trace des corrections effectu\u00e9es.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Journal auxiliaire : achats, ventes et banques Un journal auxiliaire regroupe chronologiquement une cat\u00e9gorie d\u2019op\u00e9rations, comme les achats, les ventes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-553","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=553"}],"version-history":[{"count":2,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/553\/revisions"}],"predecessor-version":[{"id":1106,"href":"https:\/\/www.lacompta.org\/index.php?rest_route=\/wp\/v2\/pages\/553\/revisions\/1106"}],"wp:attachment":[{"href":"https:\/\/www.lacompta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}