Travaux sans devis signé

Travaux sans devis signé Source google image: http://quilmesdecano.com/wp-content/uploads/2018/10/attachant-demander-un-devis-gratuit-par-des-specialistes-qualifies-destine-a-devis-signe-sans-date-de-debut-de-travaux-de-devis-signe-sans-date-de-debut-de-travaux-833×530.jpg

Devis engagement

Devis engagement Source google image: https://www.researchgate.net/profile/Sebastien_Picant/publication/278380981/figure/fig2/AS:482258076344321@1491990693202/Processus-de-demande-de-devis-represente-sous-la-forme-dun-protocole-dengagements.png

Facture sans devis

Facture sans devis Source google image: https://www.canadianchristianwriters.com/wp-content/uploads/2018/11/modele-facture-sans-tva-minimaliste-exemple-devis-excel-elegant-telecharger-modele-de-facture-hotel-of-modele-facture-sans-tva.jpg

Retractation devis travaux

Retractation devis travaux Source google image: http://www.documentissime.fr/images/document-preview/apercu-lettre-de-retractation-d-une-commande-de-prestation-de-service-conclue-suite-a-un-demarchage-a-domicile.png