Changes

class=htdocs/compta/facture/class/facture.class.php}}

class=htdocs/compta/facture/class/facture.class.php}}

* An invoice line has type product or service (you choose if both module [[Products]] and [[ServicesEn|Services]] are activated).

* An invoice line has type product or service (you have to choose if both module [[Products]] and [[ServicesEn|Services]] are activated).

* An invoice line represent a product into an invoice (with a unit price, a qty, a vat and a discount)

* An invoice line represents a product/service in an invoice (with a unit price, a qty, a vat and a discount)

* Each invoice has between 1 and n invoice lines

* Each invoice has between 1 and n invoice lines